Nonresponse bias is the distortion of survey results due to the differential rate of responding by various subgroups. In survey research involving mailed surveys, individuals who return the survey are not usually representative of the entire group who received the survey. Nonresponse bias is a threat to external validity .

Related Articles

Novelty effect at psychology-glossary.com■■■■■
Novelty effect refers to a threat to external validity that occurs when individuals participating in . . . Read More
Assignment bias at psychology-glossary.com■■■■■
Assignment bias refers to a threat to internal validity that occurs when the process used to assign different . . . Read More
Differential effects at psychology-glossary.com■■■■■
Differential effects is a term used in a Research study that refers to the time related threats to internal . . . Read More
Compensatory equalization at psychology-glossary.com■■■■
Compensatory equalization refers to a threat to internal validity that occurs when an untreated group . . . Read More
Nonexperimental research strategy at psychology-glossary.com■■■■
Nonexperimental research strategy refers to a research strategy that attempts to demonstrate a relationship . . . Read More
Population at psychology-glossary.com■■■■
Population refers to the entire group of individuals sharing a particular characteristic; - - In psychology, . . . Read More
Generalizability at psychology-glossary.com■■■■
Generalizability refers to an extent to which research results apply to a range of individuals not included . . . Read More
Confounding effects at psychology-glossary.com■■■■
Confounding effects refers to rival explanations, also called competing hypotheses, which are threats . . . Read More
Artifact at psychology-glossary.com■■■■
Artifact refers to a concept pertaining to manufactured or human-designed objects. Artifacts are things . . . Read More
Instrumentation at psychology-glossary.com■■■■
Instrumentation refers to a threat to internal validity from changes in the measurement instrument that . . . Read More