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Exam 2: Thinking Critically with Psychological Science

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Question 141

Multiple Choice

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A correlation coefficient can range in value from

A) 0 to 100.
B) 0 to 1.00.
C) 1 to 99.
D) -1.00 to +1.00.

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Question 142

Multiple Choice

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Professor X is studying the effect of exposure to sexual content on sexual thoughts.She assigns students to one of two conditions.In the first condition,participants are exposed to explicit sexual content and then given a word-completion task,which involves filling in the letter missing from each word.Based on the letter added,the word could be of a sexual nature or not.For instance,b_d could be completed as "bed," indicating sexual thought,or as "bad," which has no sexual connotation.In the second condition,participants are not exposed to explicit sexual content but are assigned the same word-completion task.The dependent variable is

A) sexual thought.
B) the word-completion task.
C) exposure to explicit sexual content.
D) random assignment.

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Question 143

Multiple Choice

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Correlation is a measure of the extent to which two variables

Professor Carter observes and records the behavior of grocery shoppers as they select items to purchase.Which type of research is Professor Carter using?

When provided with the unscrambled solutions to anagrams,people underestimate the difficulty of solving the anagrams.This best illustrates

Which method offers the most reliable way of assessing whether athletic performance is boosted by drinking soda with caffeine in it?

To learn about the TV viewing habits of all the children attending Oakbridge School,Professor DeVries randomly selected and interviewed 50 of the school's students.In this instance,all the children attending the school are considered to be a(n)

A self-correcting process for evaluating ideas with observation and analysis is known as

Correlational research is most useful for purposes of

To describe the behavior of animals in their native habitat,researchers are most likely to make use of

A factor other than the independent variable that might produce an effect in an experiment is called a

To maximize control over the factors they are studying,researchers engage in

If psychologists discovered that wealthy people are less satisfied with their marriages than poor people are,this would indicate that wealth and marital satisfaction are

The value of a(n) ________ is most closely tied to its usefulness in generating testable hypotheses.

The conclusion that "playing violent video games leads to violent crime" has been refuted by the American Psychological Association.Why was this statement problematic?

Abdul has volunteered to participate in an experiment evaluating the effectiveness of aspirin.Neither he nor the experimenters know whether the pills he takes during the experiment contain aspirin or are merely placebos.The investigators are apparently making use of

Dr.Aubrey has researched media effects for the past three years and has repeatedly found that college students who report exposure to increased sexual content in the media are also more likely to report engaging in unprotected sex,having intercourse with multiple partners,and consuming alcohol or drugs prior to intercourse.What does this mean?

In a study of the effects of drinking alcohol,some participants drank a nonalcoholic beverage that actually smelled and tasted like alcohol.This nonalcoholic drink was a

Each time Samantha has observed a person using government food vouchers to pay for groceries,the person has been an Hispanic female.Samantha has fallen victim to

Dr.Branch would like to study the relationship between room lighting and college students' test performance.He randomly assigns college students to two groups.The first group takes an exam in a dimly lit room and the second group takes the same exam in a regularly lit room.What is the independent variable?