1.Classical Test Theory is defined as, or characterized by ...(select all the correct answers) O its obsession with reliability (even more so than validity) O it's focus on individual test items and how well they discriminate among individuals and their various underlying levels of the trait being measured. O it focused on total test scores and sources of error such as method error and/or trait error O it focuses on observed scores and error O it uses information about the difficulty of each item and ow it depends on the ability of each person taking the test.
1.Classical Test Theory is defined as, or
characterized by ...(select all the correct
answers)
O its obsession with reliability (even more so
than validity)
O it's focus on individual test items and how
well they discriminate among individuals
and their various underlying levels of the
trait being measured.
O it focused on total test scores and sources
of error such as method error and/or trait
error
O it focuses on observed scores and error
O it uses information about the difficulty of
each item and ow it depends on the ability
of each person taking the test.
2.Item Response Theory is defined as, or
characterized by .../select all the correct
answers)
O its focus on true score and error
O its obsession with reliability (even more so
than validity)
O its focus on observed score
O it uses information about the difficulty of
each item and ow it depends on the ability
of each person taking the test.
O it focused on total test scores and sources
of error such as method error and/or trait
error
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