By age 3, the brain is about ____ of its adult weight, and by age 6 it is ____

a. 50%; 70%
b. 60%; 80%
c. 70%; 90%
d. 80%; 100%

Answer: C

Psychology

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When the researcher has actively altered the environmental conditions, then the independent variable has been

a. assigned b. manipulated c. confounded d. strengthened

Psychology

If "emotional intelligence" is to be a useful concept, what should be true of measurements of emotional intelligence? a. They should predict outcomes that we could not predict otherwise

b. They should correlate as highly as possible with academic intelligence. c. They should have a zero correlation with academic intelligence. d. They should be almost equal for all people.

Psychology