The difference between the observed score and what exists in reality (true score) is called:
A) homogeneity.
B) measurement error.
C) split-half reliability.
D) standard deviation.

Question

Quizplus · Accepted Answer

Measurement error is the difference between the True score and what in reality is measured (observed score).
Homogeneity is a sameness of data with regard to a certain variable.
Split-half reliability is a process that determines the likeness of items within an instrument.
The standard deviation measures how much scores differ from the mean.

The Difference Between the Observed Score and What Exists in Reality