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Levels of measurement are important because they determine what type of analysis can be used.

A) True
B) False

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What is test-retest reliability and how is it measured?​

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You estimate test-retest reliability whe...

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In ____,research participants do not respond the way they normally would because they are anxious about being tested.


A) hypothesis guessing
B) evaluation apprehension
C) researcher expectancies
D) construct confounding

E) B) and D)
F) None of the above

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The type of reliability that is used to assess the degree to which different observers give consistent estimates of the same phenomenon is _______________.

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inter-rate...

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One of the measures Rosalyn is including in her study of the effects of environmental enrichment is the score on a standardized scale of intelligence.This is best described as a(n) ____ scale.


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

E) None of the above
F) All of the above

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When an individual participating in a study tries to guess what the experimenter's hypothesis is,there is a social threat to construct validity.

A) True
B) False

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In what level of measurement is there a meaningful absolute zero?​


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

E) B) and C)
F) A) and B)

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Systematic error in an estimate is referred to as _______________.

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When a(n)_______________ scale is used,it makes sense to say one score is twice as much as another or that twice as much of the characteristic being measured is present.

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Figure 5.13 Figure 5.13    -In the formula illustrated in the accompanying figure,sd stands for ____. A) standard deviation B) systematic deviation  C) standard dispersion D) systematic dispersion -In the formula illustrated in the accompanying figure,sd stands for ____.


A) standard deviation
B) systematic deviation 
C) standard dispersion
D) systematic dispersion

E) A) and B)
F) All of the above

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Checking a new test to be certain that it contains items that it would be expected to contain based on the relevant literature provides an assessment of ____ validity.


A) content​
B) face
C) discriminant
D) concurrent

E) A) and B)
F) B) and C)

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The type of reliability that is used to assess the consistency of the results of two tests constructed in the same way from the same content domain is _______________.

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parallel-f...

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When there is no error in measurement,reliability is ____.


A) 0
B) 1
C) equal to the variability of the distribution
D) equal to the inverse of the variability of the distribution

E) None of the above
F) All of the above

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Hannah has developed a scale for assessing social interaction among children with moderate to severe developmental disabilities.Because it is in the early stages,she decides to rate the same children on two different occasions.Hannah is assessing ____ reliability.


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

E) B) and D)
F) A) and D)

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When systematic error affects the mean of a distribution,it is referred to as ____.


A) shifting
B) variance
C) bias
D) regression

E) A) and B)
F) B) and C)

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As long as your test is reliable,it need not be valid.

A) True
B) False

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If you could see all random error in a distribution,it would ____.


A) have a variance equal to the mean
B) sum to zero
C) shift the mean in a positive direction
D) be greater than the population variance

E) All of the above
F) B) and D)

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Cronbach's Alpha is used to overcome limitations associated with reliability assessed using the ____ method.


A) inter-rater
B) split-half
C) average inter-item correlation
D) average item-total correlation

E) B) and C)
F) None of the above

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In ____,research participants try to figure out what the experimenter is "really" trying to do.


A) hypothesis guessing
B) evaluation apprehension
C) researcher expectancies
D) construct confounding

E) A) and B)
F) C) and D)

Correct Answer

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In what level of measurement are the attributes simply names?​


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

E) A) and B)
F) A) and C)

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