When do infants generally produce their first words?

a. 8–10 months
b. 10–14 months
c. 12–16 months
d. 14–18 months

B

Psychology

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Within the nucleus of each sperm and each ovum, there are __________ chromosomes

a. 23 b. 36 c. 46 d. 60

Psychology

The ÷2 test is used to analyze what type of data?

A. continuous B. interval C. ratio D. categorical

Psychology