Sampling error always produces bias. Indicate whether the ...

[c0205847]

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?

[asware1]

Answer to Question 1

F

Answer to Question 2

rtt = .932