Question 1

Which of the following best describes the biopsychosocial model in psychology?

Accepted Answer

It considers the interaction of biological, psychological, and social factors in understanding behavior.

Question 2

A researcher wants to test whether drinking caffeine improves memory. She randomly assigns participants to either a caffeine group or a control group and measures their test scores. What type of research design is this?

Accepted Answer

Experimental research

Question 3

Which of the following is an example of operationalization in psychological research?

Accepted Answer

Measuring happiness by asking participants to rate their mood on a scale from 1 to 10.

Question 4

A study finds a correlation coefficient of $$r = -0.8$$ between hours spent watching TV and exam scores. What does this indicate?

Accepted Answer

There is a strong negative relationship; as TV watching increases, exam scores decrease.

Question 5

Which of the following best illustrates the third variable problem in correlational research?

Accepted Answer

A study finds that ice cream sales and drowning rates are correlated, but hot weather causes both.

Question 6

In the context of the scientific method, what is the primary purpose of peer review and replication?

Accepted Answer

To verify the reliability and validity of scientific findings by having other experts evaluate and repeat the research.

Question 7

Which brain structure is primarily responsible for consolidating new declarative memories?

Accepted Answer

Hippocampus

Question 8

A psychologist wants to study the effect of social isolation on depression. According to the biopsychosocial model, which factor is she primarily investigating?

Accepted Answer

Sociocultural

Question 9

Which of the following is a key feature of a double-blind study?

Accepted Answer

Both the participant and the researcher are unaware of the treatment condition.

Question 10

A researcher finds that students who sleep at least 8 hours score higher on memory tests. Which scientific method component is best illustrated by this finding?

Accepted Answer

Hypothesis

Question 11

Which of the following is an example of a confounding variable in an experiment testing the effect of caffeine on memory?

Accepted Answer

Participants' prior sleep quality, which is not controlled for.

Question 12

Which of the following best describes the function of the thalamus?

Accepted Answer

Acting as a relay station for sensory information

Question 13

In a twin study, identical twins raised apart are found to have similar IQ scores. What does this suggest about the role of genetics in intelligence?

Accepted Answer

Genetics plays a significant role in intelligence.

Question 14

Which of the following is a key difference between descriptive and experimental research designs?

Accepted Answer

Experimental research can determine causation, while descriptive research cannot.

Question 15

A psychology student claims that multitasking improves performance. According to research, what is the most accurate response?

Accepted Answer

Research shows that multitasking reduces performance.

Question 16

Which of the following best illustrates the concept of validity in psychological measurement?

Accepted Answer

A test measures what it claims to measure.

Question 17

Which neurotransmitter is most closely associated with mood regulation and is often implicated in depression?

Accepted Answer

Serotonin

Question 18

A researcher wants to ensure that her study's findings can be applied to people beyond the sample studied. Which concept is she most concerned with?

Accepted Answer

Generalizability

Question 19

Which of the following is an example of a placebo effect in a clinical trial?

Accepted Answer

A participant improves after receiving a sugar pill, believing it is real medication.

Question 20

Which of the following best describes the function of the basal ganglia?

Accepted Answer

Coordinating voluntary movement and procedural learning

Foundations of Psychological Science: Methods, History, and Biological Bases

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