Question 1

Which of the following best describes the main focus of behavioral neuroscience?

Accepted Answer

It examines how the brain, nervous system, and other biological aspects determine behavior.

Question 2

A psychologist wants to study the effect of sleep deprivation on memory recall. She randomly assigns participants to either a sleep-deprived group or a well-rested group and measures their performance on a memory test. In this experiment, what is the independent variable?

Accepted Answer

The amount of sleep participants receive

Question 3

Which research method is most appropriate for studying the relationship between two variables without manipulating them?

Accepted Answer

Correlational research

Question 4

A correlation coefficient of $$r = -0.85$$ indicates:

Accepted Answer

A strong negative relationship between two variables

Question 5

Which of the following is a key ethical requirement in psychological research involving human participants?

Accepted Answer

Participants must be informed about the study and give consent before participating.

Question 6

Which perspective in psychology emphasizes free will and the innate tendency to grow and develop?

Accepted Answer

Humanistic perspective

Question 7

A psychologist is conducting a study on cultural differences in emotional expression. She spends several months living within a community, observing and interviewing its members. Which research method is she using?

Accepted Answer

Ethnographic research

Question 8

Which of the following statements about the nature versus nurture debate is most accurate?

Accepted Answer

Behavior is influenced by both genetic inheritance and environmental factors.

Question 9

In a double-blind procedure, who is unaware of the treatment being administered?

Accepted Answer

Both the experimenter and the participants

Question 10

Which subfield of psychology is most likely to study how people change from conception through death?

Accepted Answer

Developmental psychology

Question 11

A psychologist wants to test the hypothesis: 'The more people who witness an emergency, the less likely it is that help will be given.' Which theory does this hypothesis stem from?

Accepted Answer

Theory of diffusion of responsibility

Question 12

Which of the following is a disadvantage of naturalistic observation?

Accepted Answer

The researcher cannot control any factors of interest.

Question 13

Which of the following is an example of experimental bias?

Accepted Answer

A researcher unintentionally gives cues to participants about expected outcomes.

Question 14

Which major perspective in psychology focuses on observable, measurable behavior rather than internal mental processes?

Accepted Answer

Behavioral perspective

Question 15

A psychologist is interested in the consistency of behavior across a person's life and the traits that differentiate one person from another. Which subfield is she most likely working in?

Accepted Answer

Personality psychology

Question 16

Which of the following is a reason why underrepresentation of minorities among psychologists is problematic?

Accepted Answer

It leads to a lack of diverse perspectives and talents in the field.

Question 17

Which of the following formulas correctly represents the possible range of a correlation coefficient?

Accepted Answer

$$-1.0 \leq r \leq 1.0$$

Question 18

Which of the following is a key difference between a psychologist and a psychiatrist?

Accepted Answer

Psychiatrists have a medical degree and can prescribe medication, while psychologists typically have a doctorate in psychology.

Question 19

Which of the following best describes the concept of 'free will' in psychology?

Accepted Answer

Behavior is caused primarily by choices made freely by the individual.

Question 20

A psychologist wants to ensure that her experimental results are statistically meaningful. What must she demonstrate?

Accepted Answer

That the differences between groups are large enough to be significant according to statistical tests.

Introduction to Psychology: Foundations, Subfields, and Biological Bases

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