Dr. Grodner is conducting an experiment on age-related changes in memory. He is comparing how well retirees and high school students perform on a memory task. In order to conveniently schedule research participants, he has the older adults come to the lab during the day, since they are retired. The students come to the lab in the evening, after they are finished with school and other activities. What is the problematic confound in this study?

Answers

Answer 1

Answer:

The time of day the subjects do the study

Explanation:

In research, a confounding variable refers to an external variable that is not originally taken into consideration and that it changes the effect and relation between the independent and dependent variable.

In this example, Dr. Grodner is conducting an experiment on age-related changes in memory by making retirees and high school students take a memory task. However, the older adults come to the lab during the day while the younger ones come in the evening after they finish their daily activities. We can see that Dr. Grodner is not taking into consideration the variable of the time of the day the subjects come to the lab and that this could be an influence in how well they perform in the task (since the younger subjects might be more tired during the evening) and therefore this would be a confounding variable that would change the results of his study making it not reliable.


Related Questions

​_____ is a doctrine that applies to strict liability actions that says a plaintiff who is contributorily negligent for his or her injuries is responsible for a proportional share of the damages.

Answers

Answer:

Comparative Negligence.

Explanation:

The idea behind comparative negligence is that if the aggrieved person was contributorily negligent to his or her injuries then he or she is liable for a proportional share of damages incurred upon him or her.

It is the process of splitting responsibility for paying the damages caused because of comparative negligence. This situation is also often termed as "apportionment of fault" or "allocation of fault."

__________ environmental program put 2.5 million unmarried men to work maintaining and restoring forests, beaches, and parks. Workers earned only $1 a day but received free board and job training. From 1934 to 1937, this program funded similar programs for 8,500 women. It taught the men and women of America how to live independently, thus, increasing their selfesteem.

Answers

Answer:

The Civilian Conservation Corps under the New Deal Programs, puts 2.5 million unmarried men to work maintaining and restoring forests, beaches, and parks.

Explanation:

The New deal Programs referred to the relief, recovery and reform programs of President Franklin D. Roosevelt's administration that were aimed to combating the Great Depression. This program stimulated the economic recovery for the United State.

Lucille is teaching Kendra how to play racquetball. She explains how to hold the racquet, how to stand, and how to make effective shots. These learned skills that Lucille has acquired are an example of ___________ memory.

Answers

Answer:

procedural  Memory.

Explanation:

Procedural memory is a type of implicit memory (unconscious memory) and long-term memory which aids the performance of particular types of tasks without conscious awareness of these previous experiences.  Procedural memory guides the processes we perform and most frequently resides below the level of conscious awareness. When needed, procedural memories are automatically retrieved and utilized for the execution of the integrated procedures involved in both cognitive and motor skills, from tying shoes to flying an airplane and from drawing to reading.

Some believe that religion is important because it provides social norms and answers to difficult questions about life and the meaning of life. Which social theory does this represent?

Answers

Answer:

A structural functionalism

Explanation:

A structural functionalism -

It refers to the theory , which explains the principles of the society , the reason behind the function of the society in a particular manner , considering all the aspects , i.e. , the law , religion , education and government etc. , is referred to as a structural functionalism .

It refers to the framework of the society .

Hence , from the given information of the question ,

The correct term is A structural functionalism .

In 2006, Nintendo released the Wii, its latest video game system. The system was widely noted for attracting demographic groups, including senior citizens, not often associated with video games. In fact, there were even reports of senior citizens forming leagues to play "Wii bowling" and other sports-related games. If true, these leagues would represent _________.a. the fall of public man.
b. spontaneity in recreation and leisure.
c. a return to a less commodified style of recreational activities.
d. textual poaching.
e. a return of public life.

Answers

Answer:

The correct answer is e. a return of public life.

Explanation:

Public life can be defined as all the human activities that are set in public settings with the participation of multiple individuals, commonly organized in groups that share common and diverse interests. It is contrary to private life, which in turn is experienced by individuals and groups of individuals such as family in the privacy of their homes.

When reaching a certain age, human beings retrieve from public life to more private life and the reasons for this vary but overall, it has to do with less motivation to engage in public life due to less physical dexterity, lack of leisure activities, and so on.

In this particular case, the wii bowling leagues would represent a return of public like to senior citizens.

What is one of the most widely used techniques to determine infants' normative standing? It includes 27 separate categories of responses that constitute 4 general aspects of infants' behaviora) Cultural dimensions of motor development b) Brazelton Neonatal Behavior Assessment Scale c) Dynamic systems theory d) Apgar

Answers

Answer: b) Brazelton Neonatal Behavior Assessment Scale

Explanation: The Brazelton Neonatal Behavior Assessment Scale is the technique used on infants (usually from birth to around two months old) to assess how well babies have carried out their developmental task both in terms of reflexes and behaviors. This assessment usually give parents an idea of what the babies might need to help in their development. Additionally, This assessment usually includes factors such as; responses to stress, cuddling, reflex startle reactions, motor maturity etc.

Anne is organizing a house party. She considers ordering expensive wine, caviar, and desserts that will be served to guests under one category. Although each of these items possess different attributes, Anne places them in the _____.

Answers

Answer:

Goal derived category

Explanation:

Goal-derived category are those that a consumer classifies as suitable and potentially substitutable for attaining salient purchase and consumption goals

An experimenter provided two groups of rats different quantities of food for successfully completing the same maze. She controlled the kind of food and the amount of time the rats had access to the food. She reported that both groups of rats committed the same number of errors in learning the maze. The number of errors was:_______.
a) a confounding variable.
b) a subject variable.
c) the dependent variable.
d) the independent variable.

Answers

Answer:

C

Explanation:

Dependent Variable

A researcher spends years conducting fieldwork with an indigenous tribe in Papua New Guinea and has a difficult time reacclimating to Western society when he returns to it. He uses the experience of returning home to view his own society from an outsider’s perspective and learn something new about it. Which sociological concept best exemplifies the experience of this researcher?

Answers

Answer: Culture shock.

Explanation: Culture shock is refered to as an encounter or experience an individual may have when one moves to a new environment which is totally different in relation to his/her own; it is likewise the individual confusion a person may feel while encountering an unfamiliar way of living due to movement between two environment which are socially and culturally different. Culture shock include the following phases; honeymoon, negotiation, adjustment, and adaptation phase.

What the researcher experienced is called culture shock

Stan and Jenny are in a psychology course that requires them to repeat an experiment that researchers have conducted in the past, in order to determine whether they produce the same results. This is called ________.

A. inter-rater reliability

B. reliability

C. replication

D. validity

Answers

Answer: C. Replication.

Explanation:

Replication is the repitition of same experiment using different samples.

This is called Replication. Replicating an experiment or a portion of it under the same or comparable conditions is known as replication and is a crucial component of experimental design. Thus, option C is correct.

Replication can improve the validity, generalizability, and reliability of experimental findings, but it also has significant disadvantages that must be taken into account.

One of the most important ways researchers increase their confidence in the validity of their findings is through replication. It is more likely to be a valid claim of new information when the outcome of one study is confirmed by another to be consistent.

Particularly when explored generally throughout scientific and technical research, replicability is a complicated and multifaceted problem. A second researcher's attempt to duplicate a prior study is an attempt to see if applying the same methods to the same scientific question produces similar results.

Therefore, Stan and Jenny are using Replication.

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The text describes studies the "hot hand," an athlete's winning streak-be it with free throws, spikes in volleyball, or otherwise. The "hot hand" is also referred to as "being in the zone" or "on a roll" for numerous consecutive games. According to the textbook, however, "a meta-analysis of 22 published articles on this phenomenon found no evidence that the hot hand exists." What does this quotation from your text mean?

Answers

A researcher ran an analysis 22 peer-reviewed studies on the hot hand and concluded that there is no scientific evidence that the hot hand exists.

The citizens of a country believe that their government should become the owner of all businesses within their country and see to it that all the citizens are treated on the same footing both socially and economically. This belief is similar to the _____ ideology in the United States.

Answers

Answer: Collectivism

Explanation: collectivism is a political theory that prioritize the goals and needs of the people as a group as against individual needs and goals. It is a current thinking among some people in the United States. It is a theory closely related to Communism with few differences.

Collectivism theory posits that government should have total control of the economy by owning properties and managing the activities of the economy whereby the resources are allocated in such a way as to benefit the entire group of citizens as opposed to each individual owning and managing their personal resources as they deem fit.

Janet finds that the more she sleeps on the eve of an exam, the higher the score she gets for the exam. There is _______________ correlation between the amount Julie sleeps and her exam scores.

Answers

Answer:

positive                                                                                          

Explanation:

Positive correlation: The term positive correlation is defined as a particular relationship between two different variables in which both the variables move towards a similar direction or in tandem. It exists as one variable increases then the other variable increases too and therefore if one variable decreases then the other variable will decrease as well.

In the question above, the given statement represents a positive correlation.

The answer is positive correlation. Janet experiences a positive correlation between the amount of sleep she gets before an exam and her exam scores. More sleep leads to higher scores, demonstrating a positive relationship. Sufficient sleep is thus beneficial for academic performance.

Janet finds that the more she sleeps on the eve of an exam, the higher the score she gets for the exam. There is a positive correlation between the amount Janet sleeps and her exam scores.A positive correlation means that as one variable increases, the other variable also increases. In Janet's case, as the amount of sleep increases, her exam scores also increase. This is similar to how more time spent studying often leads to better test scores.Conversely, a negative correlation would mean that as the amount of sleep increases, exam scores would decrease, which is not the case here. Therefore, focusing on getting sufficient sleep can be beneficial for academic performance.

Given that each drink contains the same amount of alcohol and that you drink each drink at the same rate, you will likely become most drunk if you are drinking a(n) ____ drink.

Answers

Answer:

Familiar.

Explanation:

As per the psychological observations, one is likely to be most drunk when he/she drinks a 'familiar drink' which is based on the condition that 'if each drink holds the equal proportion of alcohol and if the person takes a drink at the same rate.' The fundamental reason behind this is that the person would show a preferential behavior or response towards his/her 'familiar/preferred drink' and therefore, the rate of intake would increase and thus, the person would get drunk.

Molly goes to live in Italy for three years. Molly feels a lot of pressure to adapt to the values, linguistic preferences, and customs of the Italian people. Molly may be described as at risk to experience​___________

Answers

Answer:  Acculturative stress

Explanation:

According to the given question, the Molly is describing the risk to the experience the acculturative stress as the molly feels pressure for adapting the new culture, values,customs and the linguistic preferences in the Italy.

The Acculturative stress is one of the significant stress which may be life long and pervasive. The main causes of the acculturative stress is due to the immigration, economical status, the culture distance and the education process.

 Therefore, Acculturative stress is the correct answer.

Answer:

1, 3, 5

Explanation:

Chen studies the process through which Brazil is shifting from workers mostly working in fields and living in rural villages to people living in cities and working in factories, offices, and the like. He is noting how Brazil is becoming a(n) ________ society.

Answers

Answer:

Industrial

Explanation:

In sociology, the term industrial society refers to the society where technologies of mass production are used and where the production is made through factories and there's a division of work happening in these societies both in factories and offices.

In this example, Brazil used to be full of workers who worked in fields and lived in rural villages but now people are living in the cities and working in factories, offices and similars. We can see that this might be happening because the production is shifting to a way of producing through factories and offices and there's a larger division of work. Therefore, Chen is noticing how Brazil is becoming an industrial society.

In an experiment by Stanley Schachter and Jerome Singer, participants labeled their arousal as joyous or irritable, depending on the people they were with. The experiment established that emotions are not only physiological but are also a. psycho-dynamic. b. humanistic c. biological. d. cognitive. e. behavioral.

Answers

Answer:

D :

Explanation:

In an experiment by Stanley Schachter and Jerome Singer, participants labeled their arousal as joyous or irritable, depending on the people they were with. The experiment established that emotions are not only physiological but are also COGNITIVE.

In the video, "Changing the World: Building a Clinic, Bridging Worlds", UC Santa Cruz students are helping residents of the community of _______ acquire critical funding and health resources, while forging enduring connections across continents and cultures.

Answers

Answer: Ghana

Explanation:

UC Santa Cruz students are helping residents of the community of Ghana acquire critical funding and health resources, while forging enduring connections across continents and cultures in the video, "Changing the World: Building a Clinic, Bridging Worlds".

Final answer:

In the video, "Changing the World: Building a Clinic, Bridging Worlds," UC Santa Cruz students are assisting the residents of the community of Belén, Iquitos, Peru in acquiring critical funding and health resources.

Explanation:

UC Santa Cruz students are helping residents of Belén, Iquitos, Peru to acquire funding and health resources, aiding in community-driven change and bridging cultural gaps.These students engage with community members through open forums, creating a platform for dialogue and understanding of their needs. This venture not only strengthens the health systems in Belén but also fosters long-lasting connections across continents and cultures, embodying the essence of community-driven change.

Moreover, the students' approach is embedded within the ethos of community psychology, highlighting the importance of collaboration, consistent presence, and the mutual learning process between students and community members. Initiatives like the one featured in the video serve as an inspiring example of how academic and community partnerships can catalyze positive change and uphold human rights.

What is the origin of the English word street? A. the Greek ""odos"" B. the Latin ""strada"" C. the Spanish ""camino"" D. the German ""strasse""

Answers

Answer:

B.

Explanation:

The English Word Street has been originated from the Latin word "Strada".

The word "Strada" means 'paved road or way'. The word "Strada" in Late Latin is originated from another Late Latin word "sternere" which means 'lay down'.

The English word "street" is a noun which in English means 'a public road which has building constructed on it either on one side or both'.

So, the correct answer is option B.

Financial strength can be a competitive advantage. In the Great Recession, General Motors went bankrupt, but Ford had acquired long-term financing beforehand that carried it through the downturn. This insight is part of a. industry analysis b. Porter’s Five Forces c. competitive analysis

Answers

Answer:

The answer is B.Porter's five forces.

Explanation:

Porter's Five Forces is a simple but powerful tool for understanding the competitiveness of your business environment, and for identifying your strategy's potential profitability. This is useful, because, when you understand the forces in your environment or industry that can affect your profitability, you'll be able to adjust your strategy accordingly.

According to Sternberg’s triangular theory of love, ____ often declines in a relationship, whereas ____ builds gradually over time.​ a. ​passion; intimacy b. ​anxiety; passion c. ​intimacy; frustration d. ​fatuous love; nonlove love

Answers

The correct answer is letter A

The triangular theory of love aims to explain the complex phenomenon that is love and romantic relationships. The theory proposed by psychologist Robert Sternberg describes the different elements of love, the possible combinations of these elements and the right time to form other types of relationships.

For Sternberg, love consists of three main qualities that are manifested in any loving relationship: intimacy, passion and commitment.

Intimacy: Intimacy refers to the feeling of closeness or the connection between two people who are part of a love story. It is based on trust, friendship and affection.

Passion: This component is the energy of the relationship. It has to do with emotions, feelings of physical attraction and the desire or need to be with the other person, as well as having intimate relationships with them.

Commitment: Refers to the decision to continue the relationship despite the ups and downs that may arise. It includes aspects such as: the important moments, the history of the relationship, etc.

"Ghost marriage" among the Nuer enables a dead man to be recognized as the social father of children and allows the lineage segment to continue into the next generation. Group of answer choices True False

Answers

Answer:

True

Explanation:

The practice called "Ghost Marriage" is pursued in different ways by the Nuer but for the same purpose, to continue with the dead man's legacy and to protect the widow from being perceived as an untouchable woman by society. In a ghost marriage, a woman remarries a man who takes the name of the deceased husband in order to preserve his legacy.

Which psychological approach focused on the ability of people to choose activities that make them feel happy and bring them fulfillment?

Answers

Answer: Humanistic Psychology

Explanation:

Humanistic psychological approach focused on the ability of people to choose activities that make them feel happy and bring them fulfillment. The humanist is concerned with the fullest growth of the individual in the areas of love, fulfillment, self-worth, and autonomy. Humanistic psychology, proposed a hierarchy of needs or drives in order of decreasing priority or potency but increasing sophistication: physiological needs, safety, belongingness and love, esteem, and self-actualization.

Which theatrical craft fits the following description? Technicians execute in proper sequence, and with carefully rehearsed timing, the light and sound cues, the shifting of scenery, the placement and return of properties, and the assignment, laundering, repair, and change of costumes.

A. house managing

B. producing

C. directing

D. crewing

Answers

Answer:

D. crewing

Explanation:

Crewing is the process involved in crew management. This management services are usually offered by specialized shipping companies, they are responsible for sourcing, human resources and manning of all types of vessels.

Is a system of rule in which the government recognizes no formal limits but may nevertheless be restrained by the power of the other social institutions is known as?

Answers

Answer:

Authoritarian government

Explanation:

Authoritarian government is a system of rule in which the government recognizes no formal limits but may nevertheless be restrained by the power of the other social institutions. It is characterized by limited freedom of speech and strong central government and requires absolute obedience to the ruler. There are three types of authoritarian government, these are; military rule, single-party rule and personal rule/dictatorship. Examples of countries under authoritarian government are; Gabon, Iran, Cuba, Equatorial Guinea among others.

How did William Penn’s principles regarding his ""holy experiment"" colony affect those who chose to settle in Pennsylvania? Penn′s approach made the colony diverse by attracting many types of people and religions. The colony experienced minimal growth due to the religious intolerance of its leaders. American Indians and colonists often worshiped together. Many citizens left the colony to find education for their children.

Answers

Answer:     Penn′s approach made the colony diverse by attracting many types of people and religions

Explanation:  William Penn's principles were that the government of the state as well as the law enforced by that state should not impose any religious beliefs, for he believed that religious choice was a matter of the personal choice of individuals, not the collective imposition of one religion on the whole nation. Penn, who was a member of the Quaker, i.e the Religious Society of Friends, believed that all humans had the same natural rights, so he advocated some of the ideas of the Enlightenment. That is why he advocated the creation of legal frameworks that would provide the basis for a free society, in other words he advocated what we would call the rule of law today, and he wove it in the state of Pennsylvania he founded. So in Pennsylvania's legal framework, he ensured that everyone had, for example, secure private property, free press, religious tolerance, and more.

Thus, the "holy expedition" was an action and an attempt by the Quaker Society to establish a community in which all other religious options that were persecuted, along with the Quakers, would have equal rights and become a state of Pennsylvania.

The teachers in the Mathematics Department want to increase student retention and success rates in all the math courses. They are interested in looking for something that will allow students to check their progress, take practice tests, and message instructors with questions. What would you recommend they consider?

Answers

Answer:

A learning management system

Explanation:

A learning management system -

This concept of learning has originated from e- learning method .

It is a type of system , which consists of software application for developing , learning , educational information , tracking , administration etc. , is referred to as a learning management system .

From the given scenario of the question , The teacher can use a learning management system , so that the children can enjoy the subject and learn and understand the subject in an innovative manner , and track their success record .

Hence , the correct answer is a learning management system .

I would recommend that the Mathematics Department consider implementing a learning management system (LMS) with interactive features and communication tools to address the needs of the students.

An LMS is a software application that provides a platform for managing and delivering educational content. An LMS allows students to track their progress through the course by providing access to their grades, assignments, and course materials. This feature enables students to monitor their performance and identify areas where they may need additional support or practice. An LMS can offer interactive practice tests, quizzes, and assessments to help students gauge their understanding of the material.

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How does a standard food differ from a functional food? Do you think such a distinction should be made?

Answers

The following is the difference between standard food and functional food and the reason why it should be distinguished so:

Standard food: It is the food that we consume daily. It provides only the necessary nutrients that are required by the body to maintain the levels of energy and to carry out other basic functions.

Functional food: It is the food that dispenses special health benefits by providing extra nutrition along with the nutrition that we get from standard food.

The reason why it is necessary to have a distinction between these two types of food:

Eating functional food more frequently or in excessive amounts can cause problems associated with digestion and metabolism. It is preferable to consume functional food only occasionally.

Which of the following is a common behavior for an active listener? a. Look at your notes to make sure they are accurate b. Keep track of the number of times the speaker agrees with you c. Repeat the speaker’s argument back in new words d. Argue against the speaker’s points one at a time Please select the best answer from the choices provided A B C D

Answers

The correct answer is letter C

Explanation: Repeat the speaker’s argument back in new words.

Answer:

i agree its c

Explanation:

took the test and it was right.

What concept is supported by those who believe that corporations should help improve the lives of​ citizens?

Answers

Answer: Social Responsibility

Explanation: Opinions differ dramatically concerning social responsibility as a business goal. Many believe that corporations should help improve the lives of citizens because they are citizens themselves, often control vast resources, and may contribute to the problems that social programs address.

Final answer:

The term for the concept of corporations improving the lives of citizens is Corporate Social Responsibility (CSR). It means that corporations actively work to have positive societal, economic, and environmental impacts beyond only turning a profit. This could include implementing environmentally friendly policies or contributing to community development initiatives.

Explanation:

The concept supported by those who believe that corporations should help improve the lives of citizens is called Corporate Social Responsibility (CSR). CSR is a self-regulating business model that helps a company be socially accountable to itself, its stakeholders, and the public. By practicing CSR, companies can be conscious of the kind of impact they are having on all aspects of society, including economic, social, and environmental

To take a practical example, a corporation might choose to implement environmentally friendly policies in its workplaces, minimizing its carbon footprint and promoting sustainability. This not only helps the environment but also improves the company's reputation among its stakeholders and the public, potentially leading to increased business success in the long term.

Thus, when corporations engage in efforts to improve society in various ways beyond simply generating profits – such as by addressing environmental issues, contributing to educational initiatives, or promoting community growth and development – they're operating under the principle of CSR.

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You have two fair, six-sides dice. However, the dice have been modified so that instead or 1,2,3,4,5,6 the sides are numbered 1,2,2,2,3,4. (Write all answers as fractions, not decimals) When the two dice are thrown, what is the probability their total is 4 Suppose the two possible alleles for the height gene are tall and short. If short is recessive to tall, provide the symbol representation and the phenotype for each of the genotype for this trait. A woman is at a large event with lots of music and conversations going on simultaneously. While talking to a friend about his latest romantic breakup, she hears her name spoken from the other side of the room. She immediately looks in the direction of the voice and sees the person who spoke her name. This ability to detect one's name being spoken in this situation is an example of:A. the cocktail party effect.B. inattentional blindness.C. narcolepsy.D. consciousness. As the sales manager at Audio Equipment Corp., Simone makes the best use of the limited resources available to her in order to achieve her company's sales goals. Which aspect of management is Simon practicing?a. Groupthinkb. Ambiguityc. Efficiencyd. Responsiveness Which statementbestdescribes empathy?Empathy does not require effort.Empathy is inherent in most people.Empathy is the same as sympathy.Empathy primarily involves identifying with oneself. Question 1 of 102 PointsWhich situation would be considered an example of the freedom ofassociation?OA. An individual purchases a membership to a local gym.OB. A group forms on a college campus to support a particularpolitical candidate.Torontudonte varitelattartlanul The ____ relies upon the unique magnetic properties of oxygen in the blood to form representations of the brain. Article III, section 1 of the Florida Constitution reads, The legislative power of the state shall be vested in a legislature of the State of Florida, consisting of a senate composed of one senator elected from each senatorial district and a house of representatives composed of one member elected from each representative district. This provision accomplishes which goal of constitutions?Select one:A.providing a framework for governmentB.limiting government powerC.providing for a free pressD.protecting individual rights Factor the expression. x2 x 42 (x 7)(x 6) (x 7)(x + 6) (x + 7)(x 6) (x + 7)(x + 6) The guy wires AB and AC are attached to the top of the transmission tower. The tension in cable AB is 9.1 kN. Determine the required tension T in cable AC such that the net effect of the two cables is a downward force at point A. Determine the magnitude R of this downward force. Using the values from the graph, compute the values for the terms given in the problem. Choose the correct answer.Percentage ofMarket Valueof Car(solid line)100%90%80%70%60%50%40%30%20%10%0%Maintenance and Repair Costsas Percentage of Car's Value(dashed line)---01styr.2ndyr.3rdyr.4thyr.5thyr.6thyr.7thyr.8thYT.9thyr.10thyr.Age of car = 6 years.Original cost = $12,995.The current market value is $ When Apple Inc. contracts with companies outside the United States to manufacture its products, citing their workers flexibility and skills, it is adopting stance toward the global labor market. True or false? Y=5x+39Y=3.5x+60Solve the following system Assume the probability of a pessimistic, most likely and optimistic state of nature is .25, .45 and .30, and the returns associated with those states of nature are 10%, 12%, and 16% for asset X. 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In an effort to remind teenagers that technology is not essential to life, some parents are rationing out screen time for the week. Other parents don't allow their children to watch any television during the school week. Some families are even taking week-long camping trips in which no technology is allowed at all--even a cell phone. The struggle to break technology dependency is constant.Which of the following would be the strongest piece of supporting evidence for the claim in this passage?A. Teenagers in America are generally lazier than youth in other countries, such as Japan.B. It is my opinion that teenagers should spend more time outside instead of staring at a screen.C. According to The American Journal of Medicine, the rise in obesity rates among children and teens directly correlates to the rise in popularity of smartphones in America.D. 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