CHARACTERISTICS OF
A GOOD TEST
RELIABILITY : THE STABILITY OF TEST SCORES
Types of estimating reliability:
- Test retest
one
test is administered to the same students at
least two different times
- Parallel forms
two
different version of test at the same time are administered
to the same students
- Two scorers
one
test is administered once to the students and the
scores are separated into two parts
- Split half procedures
one
test is administered to the students and the
scores are separated into
two parts,1st and 2ndpart