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What is validity?
The results of our experiment show what we bset out to measure
What is reliability?
Consistency. The results obtained from one study are also found when the same study is repeated
What do we look for to see if our results are reliable?
A statistically significant positive correlation
How is validity measured?
Face; temporal; ecological; population; concurrent; content; predictive
How is reliability measured?
By looking at the researchersmethods internally, and at external factors
How is reliability assessed?
Inter-researcher and intra-researcher
What is the name for the reliabilty that comes with having more than one researcher participate in an observation?
Inter-rater reliability
How can the reliability of research be improved?
By looking at the design of a study and training researchers in what they're looking for from their observations.
What is and how is, external reliability assessed
Testing outside of research over time (redoing a study in the future).Test re-test method
What is and how is, internal reliability assessed
Testing within the research at the time.Split half method
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