Question 1
Question
In an experiment to determine the effects of exercise on motivation, exercise is the...
Answer
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Control Condition
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Interventing Variable
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Independent Variable
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Dependent Variable
Question 2
Question
To ensure that other researchers can repeat their work, psychologists use...
Answer
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Control Groups
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Random Assignment
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Double-blind Procedures
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Operational Definitions
Question 3
Question
The scientific attitude of skepticism is based on the belief that...
Answer
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People are rarely candid in revealing their thoughts
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Mental processes can’t be studied objectively
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The scientists intuition about behavior is usually correct
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Ideas need to be tested against observable evidence
Question 4
Question
If shoe size and IQ scores are negatively correlated, which of the following is true?
Answer
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People with large feet tend to have high IQ’s
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People with small feet tend to have high IQ’s
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People with small feet tend to have low IQ’s
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IQ is unpredictable based on a person’s shoe size
Question 5
Question
Which of the following would be best for determining whether alcohol impairs memory?
Answer
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Case Study
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Naturalistic Observation
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Survey
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Experiment
Question 6
Question
Well-done surveys measure attitudes in a representative subset, or ____, of an entire group, or ___.
Answer
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population; random sample
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control group; experimental group
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experimental group; control group
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random sample; population
Question 7
Question
What is the mean of the following distribution of scores:
2,3,7,6,1,4,9,5,8,2?
Question 8
Question
What is the median of the following scores:
1,3,7,7,2,8,4
Question 9
Question
What is the mode of the following distribution of scores:
8,2,1,1,3,7,6,2,0,2
Question 10
Question
When a difference between two groups is statistically significant, this means that...
Answer
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The difference is statistically real but of little practical significance
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The difference is probably the result of sampling variation
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The difference is not likely to be due to chance variation
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All of these statements are true
Question 11
Question
Which of the following is the measure of central tendency that would be most affected by a few extreme scores in a small sample?
Question 12
Question
To prevent the possibility that a placebo effect or researchers’ expectations will influence a study’s results, scientists employ...
Answer
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Control Groups
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Experimental Groups
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Random Assignment
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A Double-blind Procedure
Question 13
Question
In an experiment to determine the effects of attention on memory, memory is the...
Answer
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Control Condition
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Intervening Variable
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Independent Variable
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Dependent Variable
Question 14
Question
The strength of the relationship between two vivid events will most likely be...
Answer
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Insignificant
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Causal
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Negative
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Overestimated
Question 15
Question
Which type of research would allow you to determine whether students’ grades accurately predict later income?
Answer
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Case Study
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Double-blind Procedures
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Correlational
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None of the above
Question 16
Question
To study the effects of lighting on mood, Dr. Cooper had students fill out questionnaires in brightly or dimly lit rooms. In this study, the independent variable consisted of...
Answer
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The number of students assigned to each group
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The students’ responses to the questionnaire
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The room lighting
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The subject matter of the questions asked
Question 17
Question
Which of the following BEST exemplifies the hindsight bias?
Answer
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After discovering Iraq did not have the capacity to develop weapons-of-mass destruction, most Americans regretted the decision to invade Iraq
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After discovering Iraq did not have the capacity to develop weapons-of-mass destruction, Americans overestimated the extent to which they “knew-it-all-along”
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Objects that we perceive in mirrors appear closer than they actually are
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Objects that we perceive in mirrors appear farther than they actually are