Question 1

Which of the following best describes the main goal of psychology as a science?

Accepted Answer

To understand, predict, and control behavior and mental processes

Question 2

A researcher wants to test whether a new teaching method improves student performance. She randomly assigns students to either the new method or the traditional method. What is the independent variable in this experiment?

Accepted Answer

The type of teaching method used

Question 3

Which of the following is an example of a correlation, not causation?

Accepted Answer

People who exercise more tend to report higher levels of happiness

Question 4

Which ethical principle in psychological research requires that participants be informed about the nature of the study and their rights before agreeing to participate?

Accepted Answer

Informed consent

Question 5

A psychologist is interested in the relationship between sleep and memory. She finds $ r = 0.85 $ between hours of sleep and memory test scores. What does this correlation coefficient indicate?

Accepted Answer

A strong positive relationship

Question 6

Which of the following best illustrates the use of a control group in an experiment?

Accepted Answer

A group that does not receive the experimental treatment, serving as a baseline

Question 7

Which of the following is NOT a component of a neuron?

Accepted Answer

Synapse

Question 8

Which brain structure is primarily responsible for regulating emotions such as fear and aggression?

Accepted Answer

Amygdala

Question 9

A psychologist is using the scientific method to study memory. Which of the following steps comes first?

Accepted Answer

Formulating a hypothesis

Question 10

Which psychological perspective focuses on how behavior and thinking vary across situations and cultures?

Accepted Answer

Sociocultural

Question 11

A researcher wants to study the effect of caffeine on reaction time. She gives one group caffeinated coffee and another group decaf, then measures their reaction times. What is the dependent variable?

Accepted Answer

The participants' reaction times

Question 12

Which of the following best describes a double-blind study?

Accepted Answer

Neither the participants nor the experimenters know who is in the experimental or control group

Question 13

Which of the following is a key criterion for critical thinking in psychology?

Accepted Answer

Evaluating evidence before drawing conclusions

Question 14

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

Accepted Answer

Dendrite

Question 15

Which of the following best describes the function of the limbic system?

Accepted Answer

Processing emotions and memory

Question 16

A psychologist wants to generalize her findings to a larger population. Which aspect of her research design is most important for this goal?

Accepted Answer

Using a representative sample

Question 17

Which of the following is an example of an experimental group in a research study?

Accepted Answer

A group that receives the independent variable manipulation

Question 18

Which of the following best describes the function of the myelin sheath?

Accepted Answer

To insulate the axon and speed up neural transmission

Question 19

A correlation coefficient of $ r = -0.60 $ between stress and immune function suggests:

Accepted Answer

As stress increases, immune function decreases

Question 20

Which of the following is a primary function of the cerebral cortex?

Accepted Answer

Processing complex thought, perception, and decision-making

PSYC C1000 LBCC: Study Guide for Exam #1 – Science of Psychology & Biological Perspective

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