Chapter 4 Glossary Flashcards
What does blind mean?
When the researcher and/or participant are unaware of information that might bias their responses.
What is categorical data synonymous with?
Synonymous with nominal data.
What is concurrent validity?
Assessing a measure by its correlation with a criterion that has already been measured or can be measured simultaneously.
What is convergent validity?
Occurs when different studies, using different operational definitions, produce similar findings.
What is criterion?
The variable that we are attempting to predict in regression.
What is criterion-related validity?
Measures, such as predictive and concurrent validity measures, that are established by correlation with known criterion measures.
What is effective range?
The range over which the dependent measure accurately reflects the level of the dependent variable.
What is internal consistent reliability?
Index of the homogeneity of the iterms of a measure.
What is interrater reliability?
Index of the consistency of ratings between separate raters.
What is the interval scale?
Scale of measurement in which the distance between adjacent scores is the same anywhere on the scale, but zero is not a true zero.
What is measurement error?
Any inaccuracy found in the measurement of a variable.
What is the multimethod approach?
In research, using several measures of a single concept to increas confident in the results.
What is nominal data?
Data that are frequencies of particpants in each category.
What is the nominal scale?
Scale of measurement in which the scores are categories.
What is objective measure?
Any measure that requires little or no judgement on the part of the person making the measurement.
