Internal, external, and ecological validity in research design, conduct, and evaluation
Reliability and validity describe desirable psychometric characteristics of research instruments. The concept of validity is also applied to research studies and their findings. Internal validity examines whether the study design, conduct, and analysis answer the research questions without bias. Ext...
| Main Author: | |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
SAGE Publishing
2018-01-01
|
| Series: | Indian Journal of Psychological Medicine |
| Subjects: | |
| Online Access: | http://www.ijpm.info/article.asp?issn=0253-7176;year=2018;volume=40;issue=5;spage=498;epage=499;aulast=Andrade |