Key Words Flashcards
Experimental group.
The group in an experiment that receives the variable being tested.
Control group.
Participants who the variable isn’t being given to
Objectivity.
Te fancy ti base judgments and interpretations on external data rather than subjective factor
Subjectivity.
Understanding that everyone has their own perspective and beliefs which can be communicated and influenced.
Reliability: inter rater reliability.
Measure of consistency and agreement between 2 or more daters/ observers in their assessments.
Reliability: test score reliability.
Test scores remain unchanged when measuring a stables individual characteristic on different occasions.
Internal validity- construct validities.
Extent to which or measure accurately assesses what it’s supposed to.
Internal validity- concurrent validity.
Degree in which the scores on a measurements are related to other scores on measurements that are valid.
External validity- ecological validity.
Measure of how test performance predicts behaviours in real world settings.
External validity- mundane realism.
Degree which materials and procedures involved in an experiment are similar to those in the real world.
Temporal validity.
External validity that refers to the validity of findings in relation to the progression of time.
Generalisability.
Extent to which the findings of a study can be applicable to other settings.
Population validity.
Can you reasonably generalise findings from your sample to a large group.
Experimenter effects.
Tendency on part of researcher to influence participant/ interpret data to receive result they seek to have.
Demand characteristics.
Cues that might indicate the study aims tos participants.
Controlling extraneous variables.
Measuring and accounting for them statistically to remove their effects on other variables.
Confounding variables.
Any influence effecting the relationship between IV and DV leading to inappropriate conclusion of cause.
Counter balancing.
Technique used to deal with order effects when using a repeated measure design.
Randomisation.
Process of randomly assigning experimental subjects to one of the groups.
Order effects.
participants responses in the various conditions are affected by the order of conditions to which they are exposed.
Credibility.
The believability of the information.
Experimenter bias.
Unintentional influence of the experimenters expectations, beliefs or preconceived notions on the outcome of a study/ research experiment.
