Exam 5: Introduction to Measurement

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

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.

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.

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

Systematic error in an estimate is referred to as _______________.

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

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 _______________.

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

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

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

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.

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

Figure 5.13 -In the formula illustrated in the accompanying figure,sd stands for ____.

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

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

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

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

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

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

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.