In twin studies, the trait or disorder

a. genotype
b. concordance rate c. phenotype
d. polygenic trait rate
e. plasticity percentagedescribes the percentages of cases in which both members of twin pairs share the same


b

Psychology

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Responding under a VI schedule of reinforcement

a. will be slower than that on a VR schedule of reinforcement when the rates of reinforcement on the two schedules are equated. b. resembles that on an FI schedule of reinforcement. Following the reinforcer there is a period of no responding, followed by a rapid rise in responding. c. is usually sporadic (now fast, now slow) rather than steady. d. shows the same short pause immediately after reinforcement that an FR schedule produces.

Psychology

Eysenck focused on the relationships between two personality traits:__________and emotional stability-instability

A) agreeableness-disagreeableness B) openness-shallowness C) introversion-extraversion D) conscientious-careless E) Select

Psychology

A(n) ____________________ is a compelling need to perform one or more actions repeatedly

Fill in the blank(s) with correct word

Psychology

A hypnic jerk usually occurs during

a. light sleep. b. deep sleep. c. episodes of hypersomnia. d. episodes of sleep apnea.

Psychology