Elkind suggested that adolescent egocentrism is due to increased

The cell which underlies the activity of the entire nervous system is the _________

a. transmitter cell b. amoeba c. neuron d. carcinoma

In the discussions of female-male differences in math ability, researchers

a. have tended not to publish the studies showing female superiority. b. measured hormonal differences between women and men and found that the hormones played a part in the higher scores of men. c. discovered that if women are tested with men, the women use the situation competitively to raise their math performance. d. have reported that the differences between sexes is, on average, small and is getting smaller.