Participant variables: Use random allocation to evenly distribute characteristics across groups, Increase sample size, Situational variables: Standardise procedures across groups, Conduct testing in the same location and time frame, Experimenter effects: Use double-blind procedures so neither researcher nor participant knows group assignment, Train experimenters to follow a script, Demand characteristics: Use deception (ethically approved), Use single-blind procedures so participants don’t know the hypothesis, Placebo effects: Include a placebo group that receives a fake treatment, Use double-blind procedures to mask group identity, Order effects: Use counterbalancing to vary the order of conditions, Include rest periods between tasks, Non-standardised procedures: Create a standardised protocol for instructions, timing, and materials, Train all researchers to follow the same procedure,

Reducing Extraneous and Confounding Variables

Afdrukken
Embedden

Scorebord

Visuele stijl

Opties

Template wisselen

Automatisch opgeslagen activiteit "" herstellen?