When using a response scale on a questionnaire, researchers should limit the scale to between 5 and 15 items.
Answer the following statement true (T) or false (F)
False
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A group of children are initially interviewed at age 7 and then reinterviewed every seven years until age 28. This is the ____ type of study.
A. multilevel B. cross-sectional C. repetitional D. longitudinal
Many of the early German physiologists in the nineteenth century believed that forces in the human were
a. mental and physical. b. chemical and physical. c. mental and chemical. d. chemical and biological.
Pearson r test: a Bivariate inferential test used to determine whether a relationship exists between two variables measured on nominal or ratio scales
Answer the following statement true (T) or false (F)
A common factor found in persons with AIDS is
a. immune system dysfunction b. dementia c. pneumocystis carinii pneumonia d. hemophilia e. Kaposi's sarcoma