Because survey data have some issues that can affect their validity, researchers are careful in checking the ______ of surveys and questionnaires when they are first used to make sure that they accurately measure the behaviors of interest.
A. internal validity
B. external validity
C. construct validity
D. distribution validity
Answer: C
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Researchers measured children's fear of unfamiliar situations at 21 months and again at four years of age. When the children were brought back to the laboratory at five and a half years, the researchers found
A. that children who were inhibited earlier displayed more risky behavior when playing a ball-tossing game. B. that children who were inhibited earlier displayed more risky behavior when playing on a mattress in a falling game. C. that children who were inhibited at 21 months and four years again clung to their mother or father as before. D. that children who were uninhibited at 21 months and four years began to cling to their mother or father at five and a half years.
The F ratio is always positive in the ANOVA model.
a. True b. False
The term second-order isomorphism means a lawful relationship between:
A) geons and images B) external objects and internal representations of those objects C) thought and language D) imagery and perception E) external verbal stimuli and internal representations of words
Which of the following is true of the anterograde labeling procedure?
A) A target molecule is injected into the blood stream. B) The target molecule is transported from the axon terminals back to the soma and dendrites. C) The target molecule is taken up by the glial of cells in the injection zone. D) Eventually most regions of the cell are filled with the target molecule. E) A light microscope is used to visualize the cells in a section that contain the target molecules.