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13 Cards in this Set

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The mental process whereby fuzzy and imprecise notions (concepts) are made more specific and precise. So you want to study prejudice. What do you mean by prejudice?
construct validity
The degree to which a measure relates to other variables as expected within a system of theoretical relationships.
content validity
The degree to which a measure covers the range of meanings included within a concept.
criterion-related validity
The degree to which a measure relates to some external criterion. For example, the validity of the College Board exams is shown in their ability to predict the college success of students.
A specifiable aspect of a concept. "Religiosity," for example, might be specified in terms of a belief dimension, a ritual dimension, a devotional dimension, a knowledge dimension, and so forth.
face validity
That quality of an indicator that makes it seem a reasonable measure of some variable. That the frequency of church attendance is some indication of a person's religiosity.
An observation that we choose to consider as a reflection of a variable we wish to study. Thus, for example, attending religious services might be considered an indicator of religiosity.
interval measure
A level of measurement describing a variable whose attributes are rank-ordered and have equal distances between adjacent attributes.
nominal measure
A variable whose attributes have only the characteristics of exhaustiveness and mutual exclusiveness.
ordinal measure
A level of measurement describing a variable with attributes we can rank-order along some dimension.
ratio measure
A level of measurement describing a variable with attributes that have all the qualities of nominal, ordinal, and interval measures and in addition are based on a "true zero" point.
That quality of measurement method that suggests that the same data would have been collected each time in repeated observations of the same phenomenon.
A term describing a measure that accurately reflects the concept it is intended to measure. For example, your IQ would seem a more valid measure of your intelligence than would the number of hours you spend in the library.