Question 1

Which of the following best describes 'temperament' as used in personality psychology?

Accepted Answer

Biologically based tendencies in emotion and behavior.

Question 2

According to Eysenck's model, which brain system is primarily responsible for controlling cortical arousal?

Accepted Answer

Ascending Reticular Activating System (ARAS)

Question 3

A researcher finds that identical twins raised apart have more similar personalities than fraternal twins raised together. What does this suggest about personality?

Accepted Answer

Genetic factors play a significant role in personality development.

Question 4

Which equation represents the proportion of trait variation explained by genetic differences?

Accepted Answer

$H^2 = \frac{V_G}{V_P}$

Question 5

Gray’s Reinforcement Sensitivity Theory (RST) explains personality differences based on sensitivity to which of the following?

Accepted Answer

Reward, punishment, and threat.

Question 6

Which system in Gray’s theory is most closely associated with anxiety and avoidance behavior?

Accepted Answer

Behavioral Inhibition System (BIS)

Question 7

A person who seeks out new and exciting experiences and is easily bored is likely to have high activity in which brain system?

Accepted Answer

Behavioral Activation System (BAS)

Question 8

Which of the following best illustrates the concept of 'inclusive fitness'?

Accepted Answer

Evolutionary success measured by genes passed through relatives.

Question 9

Eysenck’s theory suggests that introverts and extroverts differ in their baseline levels of which physiological process?

Accepted Answer

Cortical arousal

Question 10

Which of the following is a key difference between psychoanalytic and scientific approaches to personality?

Accepted Answer

Psychoanalytic approaches rely on subjective interpretation, while scientific approaches emphasize objective, testable data.

Question 11

Which concept refers to the ancestral environment that shaped human traits according to evolutionary psychology?

Accepted Answer

Environment of evolutionary adaptedness

Question 12

A person who is highly sensitive to punishment and threat is likely to have a dominant:

Accepted Answer

Behavioral Inhibition System (BIS)

Question 13

Which of the following best describes the Fight, Flight, Freeze System (FFFS) in Gray’s theory?

Accepted Answer

System that mediates fear-based threat responses.

Question 14

Which of the following is NOT a primary temperament dimension according to the study materials?

Accepted Answer

Intelligence

Question 15

Which of the following best explains why evolutionary psychology emphasizes the role of adaptation in personality?

Accepted Answer

Personality traits are shaped by survival and reproduction pressures.

Question 16

Which of the following is most likely to be true about sensation-seeking individuals based on brain imaging studies?

Accepted Answer

Their brains react more strongly to stimulation.

Question 17

Which formula correctly represents the total phenotypic variance in a trait?

Accepted Answer

$V_P = V_G + V_E$

Question 18

Which of the following best describes the role of the Behavioral Activation System (BAS) in personality?

Accepted Answer

It mediates sensitivity to reward and approach behavior.

Question 19

Which real-world scenario best illustrates the concept of neuroticism-stability?

Accepted Answer

A person who remains calm during a stressful job interview.

Question 20

Which of the following statements about twin studies and personality is most accurate?

Accepted Answer

Twin studies show that both genetic and environmental factors shape personality.

Personality, Temperament, and Biological Foundations: Chapter 5 Study Guide

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