Under which of the following circumstances would a study of the effectiveness of different forms of psychotherapy have high internal validity?
a. The results are statistically significant.
b. The independent variable is confounded with other factors.
c. The findings can be generalized to other types of patients.
d. Patient improvement can be attributed to the psychotherapy and not to other factors.
Answer: d.
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When people dial a phone number and get a busy signal, they may have to wait 30 seconds or 30 minutes in order to get through with most people doggedly dialing over and over again until they get a connection. This illustrates that the reward of "getting through" to the other person is on which schedule of reinforcement?
a. variable interval b. variable ratio c. fixed interval d. continuous
After securing permission to use a public school as a research setting, the researcher meets
with small groups of teachers to determine the presence of bullying in the school. These small discussion groups, which are used to gather qualitative data regarding the research problem, are also known as __________ groups. Fill in the blanks with correct word
The first major psychological theory of abnormal behavior was developed by Joseph Breuer
Indicate whether the statement is true or false
The loss of near vision in middle adulthood is referred to as __________.
A. visual acuity B. presbycusis C. glaucoma D. presbyopia