A variable that the experimenter manipulates is called a(n) __________

a) coefficient of correlation.
b) dependent variable.
c) control condition.
d) independent variable.

d

Psychology

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Schaie's finding that successive generations improve in reasoning skills but decline in number skills is an example of a ______ effect

Fill in the blank with correct word

Psychology

Tia can't seem to find any joy or pleasure in anything. Jen experiences wild, sudden outbursts of inappropriate laughing and crying. Tia displays ______, whereas Jen illustrates _______

a) anhedonia; hyperarousal b) anhedonia; emotional lability c) blunted affect; hyperarousal d) blunted affect; emotional lability

Psychology