PURDUE UNIVERSITY PSY 120 INTRODUCTION TO
PSYCHOLOGY QUESTIONS AND CORRECT
ANSWERS (VERIFIED ANSWERS) PLUS RATIONALES
Q & A 2026 |INSTANT DOWNLOAD PDF
Question 1:
Which of the following best defines psychology?
A. The study of animals only
B. The scientific study of behavior and mental processes
C. The study of human history
D. The study of philosophy
Answer: B
Rationale: Psychology is defined as the scientific study of both
observable behavior and internal mental processes.
Question 2:
Who is considered the father of modern psychology?
A. Sigmund Freud
B. Wilhelm Wundt
C. B.F. Skinner
D. John Watson
Answer: B
Rationale: Wilhelm Wundt established the first psychology lab
,in 1879, marking the formal beginning of psychology as a
scientific discipline.
Question 3:
Which perspective in psychology focuses on observable
behavior and the effects of learning?
A. Cognitive
B. Behavioral
C. Humanistic
D. Psychoanalytic
Answer: B
Rationale: The behavioral perspective studies behavior through
observable and measurable responses to the environment,
emphasizing learning.
Question 4:
Which research method involves in-depth analysis of a single
individual or group?
A. Experiment
B. Case study
C. Survey
D. Naturalistic observation
Answer: B
Rationale: Case studies provide detailed information about an
,individual or small group, useful for rare or complex
phenomena.
Question 5:
What is the main advantage of an experimental method?
A. High ecological validity
B. Ability to establish cause-and-effect relationships
C. Easy to conduct on large populations
D. Does not require random assignment
Answer: B
Rationale: Experiments allow researchers to manipulate
variables and control confounds, making it possible to infer
causality.
Question 6:
Which part of the neuron receives incoming signals?
A. Axon
B. Dendrite
C. Myelin sheath
D. Synaptic terminal
Answer: B
Rationale: Dendrites are branch-like structures that receive
messages from other neurons.
, Question 7:
The gap between neurons where neurotransmitters are
released is called:
A. Axon terminal
B. Synapse
C. Soma
D. Myelin
Answer: B
Rationale: The synapse is the junction between neurons where
chemical signals (neurotransmitters) cross to the next neuron.
Question 8:
Which neurotransmitter is most associated with pleasure and
reward?
A. Serotonin
B. Dopamine
C. GABA
D. Acetylcholine
Answer: B
Rationale: Dopamine plays a key role in reward, motivation,
and pleasure experiences.
Question 9:
PSYCHOLOGY QUESTIONS AND CORRECT
ANSWERS (VERIFIED ANSWERS) PLUS RATIONALES
Q & A 2026 |INSTANT DOWNLOAD PDF
Question 1:
Which of the following best defines psychology?
A. The study of animals only
B. The scientific study of behavior and mental processes
C. The study of human history
D. The study of philosophy
Answer: B
Rationale: Psychology is defined as the scientific study of both
observable behavior and internal mental processes.
Question 2:
Who is considered the father of modern psychology?
A. Sigmund Freud
B. Wilhelm Wundt
C. B.F. Skinner
D. John Watson
Answer: B
Rationale: Wilhelm Wundt established the first psychology lab
,in 1879, marking the formal beginning of psychology as a
scientific discipline.
Question 3:
Which perspective in psychology focuses on observable
behavior and the effects of learning?
A. Cognitive
B. Behavioral
C. Humanistic
D. Psychoanalytic
Answer: B
Rationale: The behavioral perspective studies behavior through
observable and measurable responses to the environment,
emphasizing learning.
Question 4:
Which research method involves in-depth analysis of a single
individual or group?
A. Experiment
B. Case study
C. Survey
D. Naturalistic observation
Answer: B
Rationale: Case studies provide detailed information about an
,individual or small group, useful for rare or complex
phenomena.
Question 5:
What is the main advantage of an experimental method?
A. High ecological validity
B. Ability to establish cause-and-effect relationships
C. Easy to conduct on large populations
D. Does not require random assignment
Answer: B
Rationale: Experiments allow researchers to manipulate
variables and control confounds, making it possible to infer
causality.
Question 6:
Which part of the neuron receives incoming signals?
A. Axon
B. Dendrite
C. Myelin sheath
D. Synaptic terminal
Answer: B
Rationale: Dendrites are branch-like structures that receive
messages from other neurons.
, Question 7:
The gap between neurons where neurotransmitters are
released is called:
A. Axon terminal
B. Synapse
C. Soma
D. Myelin
Answer: B
Rationale: The synapse is the junction between neurons where
chemical signals (neurotransmitters) cross to the next neuron.
Question 8:
Which neurotransmitter is most associated with pleasure and
reward?
A. Serotonin
B. Dopamine
C. GABA
D. Acetylcholine
Answer: B
Rationale: Dopamine plays a key role in reward, motivation,
and pleasure experiences.
Question 9:
