When 1-year-old Kim was shown a new toy, she looked at her mother who appeared to be afraid of the toy. Kim became distressed and moved away from the toy. Kim used __________ to regulate her own behavior

One important point discussed at the beginning of Chapter 5 is that females and males typically have overlapping distributions for their scores on cognitive tests. Which of the following statements is not a reasonable conclusion from this finding?

a. Many males and females receive similar scores. b. You can often find a male-female pair whose scores are the reverse of the general trend. c. The samples are likely to be biased. d. The variability within each group is usually larger than the size of the gender difference.

When a neuron is in a resting state, the majority of the particles in the fluid surrounding the neuron are:

a. positive sodium ions b. sodium ions that have yet to pick up a charge c. chloride ions d. chemically inert