PSYC 2100WQ Chapter Notes - Chapter 5: Discriminant Validity, Content Validity, Face Validity
3 Sep 2018
School
Department
Course
Professor
Document Summary
Operationalizes a variable by recording people"s answers to questions about themselves in a questionnaire or interview. Sometimes called a behavioral measure, operationalizes a variable by recording observable behaviors or physical traces of behaviors. Operationalizes a variable by recording biological or physical traces of behaviors. Applies when the numerals of a quantitative variable represent a ranked order. Applies to the numerals of a quantitative variable that meets two conditions: the numerals represent equal intervals (distances) between levels and that there is no true zero. Applies when the numerals of a quantitative variable have equal intervals and when the value of 0 truly means none or nothing of the variable being measured. Consistent scores are obtained no matter who measures the variable. A study participant gives a consistent pattern of answers, no matter how the researcher has phrased the question. Seen as r; indicates how close dots or points on scatterplot are to line drawn through them.
