Q: A psychologist wants to test whether caffeine improves memory. She randomly assigns participants to receive caffeine or a placebo and measures their recall. Which formula represents the calculation of the mean recall score for the caffeine group?

$$\text{Mean} = \frac{\sum x}{n}$$

Q: A psychologist wants to study the effect of therapy on depression. She randomly assigns participants to therapy or no therapy and measures their depression scores. Which formula would she use to calculate the difference in mean scores between groups?

$$\Delta \text{Mean} = \text{Mean}_{\text{therapy}} - \text{Mean}_{\text{no therapy}}$$

Question 1

Which of the following best defines psychology as presented in the study materials?

Accepted Answer

The science of behavior and mental processes.

Question 2

A psychologist is studying how genetic factors influence behavior. Which perspective is she most likely using?

Accepted Answer

Behavior Genetics

Question 3

Which research method would be most appropriate for investigating the relationship between hours of sleep and academic performance without manipulating any variables?

Accepted Answer

Correlational study

Question 4

A psychologist observes children playing in a park without interfering. Which research method is being used?

Accepted Answer

Naturalistic observation

Question 5

Which of the following is an example of hindsight bias?

Accepted Answer

After learning the outcome of a football game, believing you 'knew it all along.'

Question 6

A researcher wants to determine if a new teaching method causes improved test scores. Which research method should she use?

Accepted Answer

Experimental study

Question 7

Which perspective in psychology focuses on how people think, remember, and solve problems?

Accepted Answer

Cognitive

Question 8

A psychologist is hired by a company to improve employee productivity. Which perspective is most relevant?

Accepted Answer

Industrial-Organizational

Question 9

Which of the following best illustrates overconfidence in psychological research?

Accepted Answer

A student predicts she will ace the exam without studying, but fails.

Question 10

Which method would be best for studying a rare psychological disorder in depth?

Accepted Answer

Case study

Question 11

A psychologist uses brain imaging to study how neural activity relates to decision-making. Which perspective is she using?

Accepted Answer

Neuroscience

Question 12

Which of the following statements about correlational studies is correct?

Accepted Answer

They can identify relationships but cannot establish causation.

Question 13

A psychologist wants to test whether caffeine improves memory. She randomly assigns participants to receive caffeine or a placebo and measures their recall. Which formula represents the calculation of the mean recall score for the caffeine group?

Accepted Answer

$$	ext{Mean} = \frac{\sum x}{n}$$

Question 14

Which perspective would most likely examine how environmental rewards and punishments shape behavior?

Accepted Answer

Behaviorism

Question 15

A researcher claims that 'people are more likely to remember traumatic events.' After hearing this, a student says, 'I knew that already.' This is an example of:

Accepted Answer

Hindsight bias

Question 16

Which of the following best describes the biopsychosocial perspective?

Accepted Answer

It integrates biological, psychological, and social factors to explain behavior.

Question 17

A psychologist wants to study the effect of therapy on depression. She randomly assigns participants to therapy or no therapy and measures their depression scores. Which formula would she use to calculate the difference in mean scores between groups?

Accepted Answer

$$\Delta 	ext{Mean} = 	ext{Mean}_{	ext{therapy}} - 	ext{Mean}_{	ext{no therapy}}$$

Question 18

Which scenario best illustrates the use of a case study?

Accepted Answer

A psychologist spends years documenting the life and behavior of a single patient with a rare disorder.

Question 19

Which of the following is a common misconception about experimental studies?

Accepted Answer

They can prove causation without controlling variables.

Question 20

A psychologist is interested in how workplace stress affects employee health. Which perspective and research method would best address this question?

Accepted Answer

Industrial-Organizational perspective and correlational study

Foundations, Methods, and Neuroscience in Psychology

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