What term refers to the frequency with which a disorder occurs within a particular population?
a. concordance
b. diagnosis
c. incidence
d. prevalence
a patient suffers from altered speech and behavior, and often does not show emotion. which type of schizophrenia exhibits these symptoms?
a. catatonic schizophrenia
b. disorganized schizophrenia
c. paranoid schizophrenia
d. undifferentiated schizophrenia

Does the weight loss program have practical significance? a. no, the program is not practically significant because the results are likely to occur even if the weight loss program has no effect. b. yes, the program is practically significant because the results are too unlikely to occur by chance. c. yes, the program is practically significant because the amount of lost weight is large enough to be considered practically significant. d. no, the program is not practically significant because the amount of weight lost is trivial.