A(n) ______ compares the observed category frequencies on the variables with the expected category frequencies on the variables when the null hypothesis is true.

According to John Holland's personality type theory, people who are associated with good verbal and interpersonal relationship skills are described as

a) conventional. b) enterprising. c) social. d) realistic.

According to the vulnerability model:

a. Susceptibility varies with the number of affected genes b. Development of schizophrenia requires genes and environmental challenges c. The severity of schizophrenic symptoms depends on the degree of genetic inheritance as well as type of environmental challenge d. All of the above