Question 1

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

Accepted Answer

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

Question 2

Which psychologist is most closely associated with the development of behaviorism?

Accepted Answer

John Watson

Question 3

A researcher wants to study the effect of sleep deprivation on memory. She randomly assigns participants to either a sleep deprivation group or a control group and measures their memory performance. Which type of research design is she using?

Accepted Answer

Experimental design

Question 4

Which of the following is an example of an operational definition?

Accepted Answer

Memory is defined as the number of words recalled from a list after 10 minutes.

Question 5

If a distribution of test scores is skewed to the right, which measure of central tendency will be the highest?

Accepted Answer

Mean

Question 6

Which neurotransmitter is primarily involved in muscle movement and is deficient in individuals with Parkinson’s disease?

Accepted Answer

Dopamine

Question 7

A psychologist is conducting a double-blind study. What does this mean?

Accepted Answer

Neither the participants nor the experimenter know which group the participants are in.

Question 8

Which of the following best illustrates the concept of nature versus nurture?

Accepted Answer

A child’s intelligence is determined by both genetic inheritance and educational environment.

Question 9

Which of the following is NOT one of the five characteristics of quality scientific research?

Accepted Answer

Confirmation bias

Question 10

Which formula correctly calculates the mean ($$\mu) of a $$set of scores $$x_1$$, $$x_2$$, ..., x_n$$?

Accepted Answer

$$\mu = \frac{\sum_{i=1}^{n} x_i}{n}$$

Question 11

Which part of the neuron receives incoming signals from other neurons?

Accepted Answer

Dendrite

Question 12

Which of the following best describes the difference threshold in psychophysics?

Accepted Answer

The smallest difference between two stimuli that can be detected.

Question 13

Which of the following is an example of top-down processing?

Accepted Answer

Recognizing a word in a sentence based on context, even if some letters are missing.

Question 14

Which of the following statements about reliability and validity is correct?

Accepted Answer

A test can be reliable but not valid.

Question 15

Which neurotransmitter is most associated with mood regulation and is often linked to depression?

Accepted Answer

Serotonin

Question 16

Which of the following best describes the function of the autonomic nervous system?

Accepted Answer

It regulates involuntary bodily functions such as heart rate and digestion.

Question 17

Which of the following is a correct example of a hypothesis in psychological research?

Accepted Answer

Sleep improves memory performance.

Question 18

Which of the following is a function of the endocrine system?

Accepted Answer

Releasing hormones that regulate bodily processes.

Question 19

A researcher finds that as hours of study increase, exam scores also increase. What type of correlation is this?

Accepted Answer

Positive correlation

Question 20

Which formula represents the calculation of the mode in a data set?

Accepted Answer

The value that appears most frequently in the data set.

Foundations of Psychology: Key Concepts and Study Guide

Study Guide - Practice Questions

Study Guide - Flashcards