When does the embryo begin to move its limbs?

A. After 14 weeks of conception
B. Soon after the formation of the nervous system
C. Immediately after the formation of external genitalia
D. After the first week of conception


Answer: B

Psychology

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For a population with ? = 50 and ? = 10, a score of X = 45 corresponds to z = +0.50

Indicate whether the statement is true or false

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Which correlation coefficient would best fit a finding that as variable A increases, variable B increases almost to the same degree?

a. ?+.80 b. ?-.20 c. ?+.20 d. ?-.80

Psychology

Psychodynamic approaches to therapy emphasize _____; humanistic and existential approaches emphasize _____.

A) unconscious drives; the effect of the past on current feelings B) psychosexual urges; learned behaviour C) a negative view of human nature; a positive view D) the id and superego; the ego

Psychology

A group of clinical psychologists is creating a new personality test by measuring correlations among items from pre-existing personality tests. They have theory-based hypotheses regarding the outcome of their procedure. They are apparently using the __________ approach to test construction

a. confirmatory factor analytic b. content validation c. empirical criterion keying d. exploratory factor analytic

Psychology