Sometimes a sample of research participants consists of several smaller groups that are different from one another in critical ways. A correlation coefficient in this situation would be lower than if the sample consisted of similar people
This illustrates the problem of
a. restricted range.
b. heterogeneous subgroups.
c. a third variable.
d. directionality.
B
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Regarding the causes of mood disorders, which of the following statements is FALSE?
a. When a depression appears to be produced from within, perhaps by chemical imbalances in the brain, rather than as a reaction to life events, it is said to be exogenous. b. Heredity appears to be a major factor in the more severe (major) mood disorders, especially bipolar disorders. c. People who have a particular version of a gene are more likely to become depressed when they are stressed. d. If one identical twin is depressed, the other has a 67 percent chance of suffering from depression with a probability of 19 percent of both fraternal twins becoming depressed.
New paradigm transpersonal psychology defines psychological reality as just as real as physical reality
Indicate whether the statement is true or false.