An age-group is an example of which kind of variable?
A. ordinal
B. categorical
C. ratio
D. continuous
Answer: B
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Prior to the Renaissance, artists were generally unsuccessful in painting realistic scenes because they did not understand
a. subjective color mixing. b. geometric forms. c. how to use bottom-up cues. d. how to use depth perception cues.
The phrase, "If only I had my life to live over again I would…" is best associated with Erikson's _____ psychosocial stage of development
a. integrity versus despair b. identity versus role confusion c. intimacy versus isolation d. initiative versus guilt
The primary causes of death are different for people of different ages. What is a primary cause of death for children?
a. Heart disease b. Cancer c. Abuse d. Diabetes
When the conditions of a study only resemble or approximate the conditions of interest, questions may be raised about the ____ of the study
a. external validity b. internal validity c. standardization d. randomization