What’s a “Good Test”?

Question 1

What’s a “Good Test”?

Answer 1

Reliability

Validity

Question 2

involves the consistency of the measuring tool: the

precision with which the test measures and the extent to which error is present in measurements.

Answer 2

reliable

Question 3

why unreliable measurement

is to be avoided.

Answer 3

to be reasonably certain that the measuring tool or test that we are
using is consistent.

know that it yields the same numerical measurement
every time it measures the same thing under the same conditions.

Question 4

reliability is a necessary but

Answer 4

but not sufficient element of a good test.

Question 5

being reliable,

tests must be reasonably accurate.

Answer 5

tests must be valid.

Question 6

measure what it purports

to measure.

Answer 6

Validity

Question 7

Other Considerations

Answer 7

good test is one that trained examiners can administer, score, and interpret with a minimum
of difficulty.

a useful test, one that yields actionable results that will ultimately
benefit individual testtakers or society at large.

one that contains adequate norms: normative data

Question 8

provide a standard with which the results of measurement can be
compared

Answer 8

norms