________ is/are common in early childhood.

Research indicates that when girls are exposed to unusually high levels of ________ prenatally, they are more likely to display stereotypical male behaviors

a) testosterone b) estrogen c) androgens d) toxins

A model of letter recognition suggests that the individual first encodes the visual stimulus of a letter into short-term memory, then searches long-term memory to find the letter, then makes a decision about its identity using short-term memory,

and then reports the result. This model incorporates which of the following? a) Sequential processin b) Parallel processing c) Distributed processing d) Executive processing