If a researcher is trying to identify underlying dimensions in a data set such that the values can be organized into clusters, the researcher is using
a. analysis of variance.
b. discriminant validity.
c. test-retest reliability.
d. factor analysis.
d
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A brain-imaging method that uses magnetic fields of the body to produce detailed images of the brain, with a high level of contrast, is called __________.
A. electroencephalography (EEG) B. magnetic resonance imaging (MRI) C. positron emission tomography (PET) D. computed tomography (CT)
Which of the following methods is often used in schools when children are all tested at the same time on the same subject?
A. naturalistic observation B. case study C. standardized test D. questionnaire
Which of the following involves responses being reinforced in such a way that people begin to feel that they have control over their environment?
a. the general adaptation syndrome b. reaction formation c. mastery training d. intellectualization
The challenge of determining the existence of a g is
the current research focus on assessment rather than on intelligence. adults' resistance to taking tests. the lack of pure measures of intelligence. the expense of conducting extensive, cross-sequential research.