Reliability + validity
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14 Terms
Reliability
Consistancy
Validity
Accuracy - refering to the extent that something does what it claims to do
Demand characteristics
Clues in the reseatch which alter the participants natural behaviour
External validity
The degree in which the research can be generalised
Internal validility
When the IV directing changes the DV with control of EVs and the researcher is measuring what is intended
Types of external validity
Population, Temporal, Ecological
Threats to internal validity
Demand characteristics
Extraneous Variables
Variable have been operationalised wrong
Threats external validity
Population validity
Ecological validity
Temperal validity
Face validity
Lowest level of validity and it refers to if it looks like it measures what it is supposed to
Concurrent
If the measure is an agreement with existing measures that are validated to test for the same thing
Construct
If measure successfully measures the concept it is supposed to
Ecological
Research carried out in an artifical environment or controlled environment which doesnt represent real life
Temporal validity
Research which is carried out at a time with differeny social and cultural climate
Population validity
A sample which is unrepresentive if the sample population