Sampling error always produces bias.
Indicate whether the statement is true or false
Question 2
A test specialist is attempting to find the reliability of a test designed to assess drug dependence. Ten subjects were randomly selected from a group of individuals. all of whom on a waiting list for a treatment program for drug abuse.
The subjects were all given the test and then a week later were retested.
The scores were as follows:
Subject Test Retest
1 45 50
2 35 32
3 50 54
4 67 70
5 45 40
6 55 60
7 65 62
8 50 48
9 60 70
10 45 40
Find the test-retest reliability value.
What will be an ideal response?
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