A threat to internal validity in which extreme scores, upon retesting, tend to be less extreme is called:

a. a time-series confound.
b. a single-group effect.
c. regression to the mean.
d. none of the alternatives is correct.


c

Psychology

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Which definition best describes the "age of viability?"

A. the point at which an infant can survive prematurely, approximately 22 weeks B. the point at which an infant can survive prematurely, approximately 6 months C. the point at which an infant can survive prematurely, approximately 3½ months D. when an infant is born earlier than 25 weeks

Psychology

Four key factors that influence liking and loving are ____________________, familiarity, proximity, and reciprocity

Fill in the blank(s) with correct word

Psychology

Which school of thought in psychology evolved into an elaborate theory of personality that emphasized unconscious motives and conflicts?

a. Phrenology b. Structuralism c. Functionalism d. Psychoanalysis

Psychology

Deciding which portions of a psychology lecture to pay attention to is part of the ________ component of working memory

a. phonological loop b. navigational pilot c. visuospatial sketchpad d. central executive

Psychology