Research Methods Flashcards
Lab experiment
Artificial controlled experiment. The researcher manipulates the IV to see what effect it has on the DV. Strict control on EV’s. Ppts are aware
Field experiment
More natural environment. Researcher manipulates IV to see the effect on the DV. Ppts don’t know
Natural experiment
IV = SETTING. everyday environment. IV is naturally occurring + in a natural environment
Quasi experiment
IV = PERSON. IV based on natural existing difference between people. Researcher doesn’t manipulate IV. Ppts can’t be randomly allocated
Standardised procedure
The process in which procedures used in research are kept the same
Ecological validity
Generalise results to another setting
Mundane realism
How the task is representative to every day life
Demand characteristics
Ppts work out the aim of the study from environment - change behaviour as a result. ‘Please you’-effects- ‘Screw you’
Direction hypothesis
Ppts who [IV1] will have higher/lower [DV] than ppts who [IV2]
Non-direction hypothesis
There will be a difference [DV] for ppts in [IV1] compared to [IV2]
Null hypothesis
No difference in [DV] for ppts in [IV1] compared to [IV2]
Experimental designs
How we use ppts
Independent groups design
Ppts take part in 1 condition only and 1 group only
How are ppts randomly allocated
‘Lottery method’ + ‘random name generator’
Repeated measures design
Ppts do both both conditions
Matched pairs design
Each ppt take part in 1 condition but ppts are matched on relevant considered variables — to match them you give out questionnaires then use random allocation
Aim
General expression of what the research intends to investigate
Independent variable
What you change in the experiment
Dependent variable
The measurable data in the experiment