Ejaculation, unlike erection, begins in the spinal column

Increasing the perception that a group is difficult to obtain membership in helps to increase:

a. group status b. group isolation c. group communication structure d. group homogeneity

Research indicates a genetic, psychological, social, and sociocultural components in the development of phobias. This statement suggests that ____

a. the manifestations of phobias are complicated and thus poorly understood b. there can be multiple pathways involved in the development of phobias c. phobias develop from predispositions d. defective genes are transmitted to offspring resulting in phobias