Research Method- Variables And Controls Flashcards
What does pilot study mean
Small-scale practice investigation
What dos operationalisation mean
Defining variables into measuring factors
What does extraneous variable mean
⚫️variables other than the manipulation of Iv
➡️causes changes of the level of DV
What does confounding variables mean
Uncontrolled extraneous variable
➡️that confuse the results
What are the three main areas where extraneous variables arise
⚫️participant variables
➡️their age and intelligence levels
⚫️situational variable
➡️experimental environment
➡️temp, noise level
⚫️experimenter variables
➡️changes in researchers appearance and behaviour
➡️can affect the findings
➡️female researcher may elicit different participants behaviour than male researchers
What does reliability mean
An exactly repeated study produces identical findings
What does validity mean
Precise measure of what they claim to measure