According to Hippocrates, abnormal behavior results from __________.

In some cultures infants' gross motor skills are actively stimulated. These infants:

a. will walk sooner and be faster runners as teenagers. b. will walk earlier but show no difference in development in the long term. c. will walk at the same time as infants who don't receive this stimulation. d. will rebel and walk later.

Of the newer atypical antipsychotics, risperidone (Risperdal) appears to have an advantage over clozapine (Clozaril) in that risperidone is

a. much less likely to induce agranulocytosis b. more effective in reducing the positive symptoms of schizophrenia c. more effective in reducing the negative symptoms of schizophrenia d. less likely to induce early onset extrapyramidal motor disturbances