PSY 005 Lecture Notes - Lecture 28: Internal Validity, Dependent And Independent Variables, Calisthenics

• School: College of The Sequoias
• Department: Psychology (PSY)
• Course: PSY 005
• Professor: Fulmer

Document Summary

Validity of research internal validity and external validity. Internal validity: simply the degree to which you are sure of the cause of. More sure of the cause of your results, more internally valid is the results in your study your research; less sure of the cause of results, less internally valid is your research. Threats to internal validity in a research study"s design: confounds- other things that could be causing differences in the dependent variable (control tries to prevent this) and presence of confounds decreases internal validity. Advancements in statistical analysis packages have led research to be more internally valid. Correlational research you can conclude there is some form of internal validity, through these advanced processes. In general we think of experiments being higher in internal validity than correlational studies, but either of them can be internally valid or internally invalid. External validity: simply the degree to which the behavior of your.