Reliability
Its soach consistency and stability of findings it is of two types.
1 stability and
2 consistency reliability
Test retest reliability
Sem method for sem person at different time will result in same
Eg- questionnaire filled by same person with same answer but a gap of a week or month..
Inter rater
Same finding got by two or more raters.
Intra Retar
Same result by same rater at different times.
Parallel from reliability
Testing by using different method like questionnaired interview etc.
Split Havells
Split one test into half and then compare first half with second half.
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