Answer:
Reliabiltiy
Step-by-step explanation:
In statistic, reability refers to whether the result of the reseasrch/study will show similar result if it conducted several times.
test-retest, inter-rater, inter-method, and internal consistency, are method that is used to measure this reability.
- Test-Retest , repeating the study several time and see whether there are simlarties at the end result
- Inter-Rater , telling more than one expert to reveiw the study to see whether they get the same condlusion.
- inter-method, repeat the study with different measurement, to see whether the study give similar result with proprotiatonate scale.
- Internal consistency , determining whether the items that is used are consistent