1424829
Descripción
Test por chanelle.narayan, actualizado hace más de 1 año
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Creado por chanelle.narayan
hace más de 9 años
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Pregunta 1
Pregunta
What is classical test theory?
Respuesta
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The concept that every measurement has two parts: true score and measurement error
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The concept that every measurement has two parts: measurement error and observed score
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The concept that every measurement has two parts: true score and observed score
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The concept that every measurement has two parts: measurement error and all unsystematic variance
Pregunta 2
Pregunta
Statement 1: true score theory is the idea that every measurement is split into two parts (actual and error)
Statement 2: classical test theory is the concept that every measure is split into two parts (observed and actual)
Respuesta
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Both are True
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Statement 1: True Statement 2: False
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Statement 1: False Statement 2: True
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Both are False
Pregunta 3
Pregunta
Statement 1: when calculating the reliability use variance because it is additive
Statement 2: reliability in terms of the relationship between true and total variance is true variance/total variance
Respuesta
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Statement 1: False Statement 2: True
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Statement 1: True Statement 2: False
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Both are true
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Both are false
Pregunta 4
Pregunta
Which one is NOT a source of measurement error?
Respuesta
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Test Construction
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Test Administration
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Motivational Factors
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Test Accuracy
Pregunta 5
Pregunta
Statement 1: we can always estimate reliability directly using true variance and measurement error
Statement 2: we can measure reliability using four different types of tests: inter-rater, test-retest, alternate forms and external consistency
Respuesta
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Statement 1: False Statement 2: True
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Both are false
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Statement 1: True Statement 2: False
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Both are true
Pregunta 6
Pregunta
What is used to calculate internal consistency when there are more than two possible outcomes?
Respuesta
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Regression Analysis
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Degrees of Freedom
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Cronbach's Alpha
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KP-20
Pregunta 7
Pregunta
Statement 1: KR-20 is used instead of Cronbach's alpha when there is a question with only two outcomes
Statement 2: Cronbach's alpha is calculated by splitting the data in half, calculating total scores and correlations, repeating for all possible two way splits
Respuesta
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Statement 1: False Statement 2: True
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Both are true
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Statement 1: True Statement 2: False
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Both are false
Pregunta 8
Pregunta
Statement 1: Parallel forms are where the two versions of a test have equivalent content and difficulty level
Statement 2: Alternate forms are tests where the two versions of the test have a shared mean, SD and correlations with other tests
Respuesta
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Both are false
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Statement 1: true Statement 2: false
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Both are true
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Statement 1: false Statement 2: true
Pregunta 9
Pregunta
What measure shouldn't you use when there is a heterogeneous test?
Respuesta
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Inter-rater
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Parallel/Alternate Forms
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Test-retest
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Internal consistency
Pregunta 10
Pregunta
Statement 1: when there is a static test it is possible to use test-retest but not when the test has dynamic characteristics
Statement 2: when there is a restriction of range reliability estimates are still able to be interpreted
Respuesta
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Both are false
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Both are true
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Statement 1: true Statement 2: false
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Statement 1: false Statement 2: true
Pregunta 11
Pregunta
What estimate of reliability would not be appropriate for speed tests?
Respuesta
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Inter-rater
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Internal consistency
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Test-retest
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Parallel/alternate
Pregunta 12
Pregunta
Statement 1: increasing the number of items in a test continues to double the amount of reliability
Statement 2: the spearman brown formula is used for estimating reliability when a test is shortened or lengthened
Respuesta
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Statement 1: false Statement 2: true
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Both are true
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Both are false
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Statement 1: true Statement 2: false
Pregunta 13
Pregunta
What is the standard error of measurement?
Respuesta
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standard deviation of the distribution
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standard deviation of the difference scores
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variance of the distribution
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variance of the difference scores
Pregunta 14
Pregunta
How many scores will be within 1 SEM of the true score (+/- 1 SD)?
Respuesta
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68%
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58%
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95%
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99.7%
Pregunta 15
Pregunta
How many scores will be within 1 SEM of the true score (+/- 1 SD)?
Respuesta
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58%
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68%
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99.7%
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95%
Pregunta 16
Pregunta
Statement 1: standard error of the difference is used to work out the margin of error in an individual's score
Statement 2: in order for two scores to be significantly different they have to differ by at least 2 standard error of the differences (1.96)
Respuesta
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Both are true
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Statement 1: false Statement 2: true
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Statement 1: true Statement 2: false
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Both are false
Pregunta 17
Pregunta
What is the reliable change index? (RCI)
Respuesta
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Tells you how happy someone is
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When the RCI is smaller than 1.96 then there is a significant change
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Another way to measure SEM
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Used in clinical contexts to see if there is a difference in treatment
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