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[DOCX File]Chapter 7: Standardized Measurement and …
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Identifying a Good Test or Assessment Procedure: good measurement is fundamental for research. If we do not have good measurement then we cannot have good research. That is why it is so important to use testing and assessment procedures that are characterized by high reliability and high validity.
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[DOC File]Reliability
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The bottom line is that the true reliability of a test is a quantity that we’ll never actually know. What we will know is one or more estimates of reliability. You’ll hear people speak about “the reliability of the test”. You should remember that they should say, “the estimate of the reliability of the test”.
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[DOCX File]TYPES OF RELIABILITY AND VALIDITY
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TYPES OF RELIABILITY AND VALIDITY . Instructions: Match the definitions/examples with the correct type of reliability or validity.Technically there may be more than one correct answer for each definition/example, but each term is intended to be used only once.
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[DOC File]Reliability Analysis - Stanford University
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Lesson 6: Reliability Analysis. Reliability means consistency. It is the degree to which an instrument will give similar results for the same individuals at different times. Reliability can take on values of 0 to 1.0, inclusive. Methods for checking Reliability: Test-retest reliability. The calculation of test-retest reliability is straightforward.
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[DOC File]AS and A Level Psychology Lesson Element …
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If a study has external reliability it means the measures used to measure behaviour should produce consistent results if repeated again and again For example, if you took an IQ test on Monday and gained a score of 105 and then took the same IQ test again a week later and gained a score of 105 then the IQ test is clearly a reliable (consistent ...
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[DOC File]TEST NAME: REVISED Reading-Free Vocational …
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Test-retest reliability correlations range from .67 to .79 with one trial score. Numerous validity studies are included in the manual with a wide range of correlational coefficients ranging between .09 and .61. TEST ADMINISTRATION: The test can be either group or individually administered and requires about 10 minutes per trial.
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[DOC File]Reliability
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Reliability – New Material. Types of reliability estimates continued: Test-retest – consistency of test scores when the same test is taken at two different times – consistency of scores over time. We find this by correlating the score of the test taken at time 1 with the score of the test taken at time 2. Why might scores change over time?
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[DOC File]This interactive teaching tool uses MS Excel to …
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Troubleshooting for the Reliability Tool 5. Introduction to Reliability 8. Norm-referenced Procedures . Estimates of Reliability - Interclass Correlations Test-Retest (Stability) 10 Equivalence 11. Split-Halves 12. Spearman-Brown 13. Notes:
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[DOC File]VALIDITY AND RELIABILITY - Purdue University
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(Gay) Reliability is the degree to which a test consistently measures whatever it measures. Errors of measurement that affect reliability are random errors and errors of measurement that affect validity are systematic or constant errors. Test-retest, equivalent forms and split-half reliability are all determined through correlation.
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Good test retest reliability