PSY 101
INTRODUCTION TO PSYCHOLOGY
FINAL EXAM ELABORATIONS 2025
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115 High-Yield Multiple-Choice Questions
with Detailed Answer Rationales
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INCLUDES:
• Research Methods & Ethics
• Biological Bases of Behavior
• Sensation & Perception
• Learning & Memory
• Cognition & Intelligence
• Motivation & Emotion
• Developmental Psychology
• Personality Theories
• Social Psychology
• Psychological Disorders & Treatment
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Updated with DSM-5-TR Terminology
Perfect for:
Midterms • Final Exams • CLEP Psychology
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,Final Exam Elaborations – 115 High-Yield Questions with Answers &
Rationales
2025 Edition | Includes DSM-5-TR Updates
Section 1: Research Methods & Ethics
Question 1
A researcher wants to determine whether a new study technique improves test scores.
She randomly assigns 50 students to use the new technique and 50 students to use their
usual study methods. The group using the new technique is the:
A) Control group
B) Experimental group
C) Confounding variable
D) Random sample
Answer: B) Experimental group
Rationale: The experimental group receives the treatment or manipulation (the new
study technique). The control group receives no treatment or a placebo (usual study
methods), serving as a baseline for comparison.
Question 2
Which research method allows researchers to draw cause-and-effect conclusions?
A) Correlational study
B) Naturalistic observation
C) Experiment
D) Case study
,Answer: C) Experiment
Rationale: Only experiments, with random assignment and manipulation of an
independent variable, can establish causation. Correlational studies reveal relationships
but not causation (directionality and third-variable problems).
Question 3
In an experiment, the variable that is manipulated by the researcher is called the:
A) Dependent variable
B) Confounding variable
C) Independent variable
D) Extraneous variable
Answer: C) Independent variable
Rationale: The independent variable is the factor the experimenter changes or controls.
The dependent variable is what is measured as the outcome.
Question 4
A correlation coefficient of -0.85 indicates:
A) A weak positive relationship
B) A strong negative relationship
C) No relationship
D) A perfect positive relationship
, Answer: B) A strong negative relationship
Rationale: The sign (-) indicates direction (as one variable increases, the other
decreases). The absolute value (0.85, close to 1.0) indicates a strong relationship.
Question 5
Which of the following is a key ethical principle in psychological research?
A) Deception is always prohibited
B) Participants must be paid for their time
C) Informed consent must be obtained
D) Results must be kept secret from participants
Answer: C) Informed consent must be obtained
Rationale: Participants must be informed of the nature of the research and voluntarily
agree to participate. Deception is sometimes permitted if justified and followed by
debriefing. Payment is not an ethical requirement.
Question 6
The tendency for research participants to behave differently because they know they
are being observed is called:
A) Experimenter bias
B) The Hawthorne effect
C) Social desirability bias
D) Confirmation bias