What is Internal reliability and how can you ASSESS it?
DIFFERENT PARTS of the test should give CONSISTENT RESULTS. Can be assessed using the SPLIT-HALF METHOD.
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What is the split-half method?
This splits the test into TWO HALVES, e.g. odd and even numbered questions, and the results from each half shold produce a HIGH POSITIVE CORRELATION
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What is External reliability and how can you ASSESS it?
The test should produce CONSISTENT RESULTS regardless of WHEN it is used. Can be assessed using the TEST-RETEST METHOD
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What is the test-retest method?
REPEATING the test using the SAME PARTICIPANTS. A reliable test should produce a HIGH POSITIVE CORRELATION.
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What is Inter-observer reliability and how can you ASSESS it?
The test should give CONSISTENT RESULTS regardless of WHO administrates it. Can be assessed by CORRELATING the scores that EACH RESEARCHER produces for each PARTICIPANT.
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What is Validity?
How well a test measures what it CLAIMS TO (accuracy)
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What are the different types of validity?
Face, Concurrent, Ecological and Temporal
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What is face validity?
The extent to which the test looks, to the participants, like it will measure what it is supposed to be measuring
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What is concurrent validity?
The extent to which the test produces the same results as another established measure
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What is ecological validity?
The extent to which the results of the test reflect real-life
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What is temporal validity?
The extent to which the test provides results that can be generalised across time
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How can you improve reliability and validity?
Standardising research and Operationalising variables
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What does standardising research involve?
Creating SPECIFIC PROCEDURES which are followed every time the test is carried out. This ensures that all researchers will test all participants in EXACTLY THE SAME WAY.
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What does operationalising variables ivolve?
CLEARLY DEFINING all of the research VARIABLES (DV and IV)
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Other cards in this set
Card 2
Front
What are the different types of Reliability?
Back
Internal, External and Inter-observer
Card 3
Front
What is Internal reliability and how can you ASSESS it?
Back
Card 4
Front
What is the split-half method?
Back
Card 5
Front
What is External reliability and how can you ASSESS it?
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