The most obvious change ushering in adolescence is _______

a. voice change
b. intellectual growth
c. the growth spurt
d. emotional upheaval

c

Psychology

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The introduction of formal preschool education has only happened in the last hundred years

Indicate whether this statement is true or false.

Psychology

The distribution of differences is

a. a sampling distribution b. a distribution of parameters c. always leptokurtic in shape d. always platykurtic in shape

Psychology