Ch 7 in class notes part 2

A test with poor reliability can never have ________________.

If a test lacks consistency and stability, it cannot

a measure that can detect change

means that a test is so difficult or the construct is so rare that almost all individuals receive the very lowest score

the test is too easy; everyone gets a very high score to begin with, and there is no room for improvement

means that a measure is able to detect change when a known effective treatment is assessed.

reflects internal responsiveness and means that, when scores were compared before and after treatment, there was a statistical difference.

describes a measure that is able to detect a clinically significant difference.

a change that would be regarded by clinicians and the client as meaningful and important.

is the amount of change on a particular measure that is deemed clinically important to the client.