Extraneous + Confounding variables Flashcards
what is extraneous variable?
any other variables apart from the IV that COULD affect the results
extraneous variables are UN… and must be taken care of.
UNWANTED
what are the three types of extraneous variables?
- participant variables
- situational variables
- experimenter variables
give examples of participant variables
intelligence , age and gender etc.
what are participant variables?
they are extraneous variables that are specific the participants ands can effect the investigation
what are situational variables?
extraneous variables that are in the environment that therefore effect the performance of the participants
give an example of situational variables
room temperature, sun light and noise etc.
what are experimenter variables?
traits of the researcher that may lead to different results
examples of experimenter variables?
appearances,personality,race, ethnicity, accent
extraneous variables make it difficult to see if the … causes the … to change
IV / DV
if the extraneous values are not controlled what do they become?
confounding variables
confounding variables cause the result and not the…
IV
