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?
rtt = .932
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Which of the following is the correct order for Piaget's four stages of cognitive development?
a. sensory-motor, preoperational, concrete operations, formal operations b. preoperational, concrete operations, formal operations, sensory-motor c. preoperational, sensory-motor, concrete operations, formal operations d. preoperational, formal operations, sensory-motor, concrete operations
During high school, Joe was a popular kid who got into trouble when hanging around a group of older friends. One time he even climbed through the window of a convenience store to steal beer when they'd run out at a party
Eventually, Joe got a steady job, got married, and had children. He mentioned at his reunion that he regretted the poor choices he had made. According to Moffitt, Joe would be considered a(n) _______________. a. adolescent-limited delinquent b. conduct disorder–persistent delinquent c. sporadic delinquent d. time-specific delinquent