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Joe creates a measure of life satisfaction that yields consistent scores and seems to be measuring life satisfaction.His measure is (neither/both)_______________ reliable or/and valid.

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Wanda is assessing a new treatment for performance anxiety and includes a single assessment for performance anxiety.Her study is at risk for ____.


A) mono-method bias
B) mono-operation bias
C) treatment interactions
D) restricted generalizability

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Hannah has developed a scale for assessing social interaction among children with moderate to severe developmental disabilities.She decides to look at the interrelationships among the items in the test. Hannah is assessing ____ reliability.


A) inter-rater
B) test-retest
C) parallel-forms
D) internal consistency

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Donna's study of time management includes having participants record the amount of time spent studying each day.This is best described as a(n) ____ scale.


A) nominal
B) ordinal
C) interval
D) ratio

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When you know that a measure is nominal,you know that the numerical values are simply placeholders for the text names.

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The consistency of the results of two tests constructed in the same way from the same content domain is referred to as ____ reliability.


A) inter-rater
B) test-retest
C) parallel-forms
D) internal consistency

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If a test looks as though it measures what it claims to measure is an assessment of ____ validity.


A) convergent
B) face
C) discriminant
D) concurrent

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The type of reliability that is used to assess the consistency of an observation from one time to another is _______________.

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​test-rete...

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Random error can drastically affect the average performance for a group.

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In True Score Theory,the observed score = true ability + random error.

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