_____ was the psychologist who contends that we learn by watching and imitating others; he demonstrated this by his landmark research involving Bobo dolls

Since the 1990s, HIV transmission rates among intravenous drug users have been reduced from about 50% to about 10%. According to the text, which of these factors led to this decrease?

A. syringe exchange programs B. sexual abstinence education C. increased Narcotics Anonymous attendance D. decreased use of hormonal contraceptives

A disease that occurs when the immune system is sensitized to a protein present in the

body and attacks the tissue that contains this protein is called a(n) __________ disease. a. immune system b. psychoimmune c. psychoneuroimmune d. autoimmune e. neuroimmune