Diffusion refers to a threat to internal validity that occurs when a treatment effect spreads from the treatment group to the control group, often from participants talking to each other. Diffusion is also defined as the random movement of molecules from an area of high concentration to an area of low concentration.
Related Articles | |
| 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 | |
| Mortality as a threat to internal validity at psychology-glossary.com | ■■■■■ |
Mortality as a threat to internal validity : Mortality as a threat to internal validity refers to a difference . . . Read More | |
| Diffusion-of-responsibility effect at psychology-glossary.com | ■■■■ |
Diffusion-of-responsibility effect refers to the belief that we don't need to help in an emergency because . . . Read More | |
| Nonequivalent at psychology-glossary.com | ■■■■ |
Nonequivalent in the psychology context refers to groups or conditions that are not identical in terms . . . Read More | |
| Interleukin at psychology-glossary.com | ■■■■ |
Interleukins are a group of signaling molecules, or cytokines, that play a crucial role in the immune . . . Read More | |
| Demand characteristics at psychology-glossary.com | ■■■■ |
Demand characteristics refer to cues in an experiment that tell the participant what behavior is expected. . . . Read More | |
| Excitability at psychology-glossary.com | ■■■■ |
Excitability in psychology refers to an individual's propensity to react with heightened responsiveness . . . Read More | |
| Novelty effect at psychology-glossary.com | ■■■■ |
Novelty effect refers to a threat to external validity that occurs when individuals participating in . . . Read More | |
| Evacuation at psychology-glossary.com | ■■■■ |
Evacuation in psychology refers to the process of removing individuals from a potentially dangerous or . . . Read More | |
| Instrumentation at psychology-glossary.com | ■■■■ |
Instrumentation refers to a threat to internal validity from changes in the measurement instrument that . . . Read More | |