You are interested in whether or not two measures of children behaviour are equlvalent. The measurement tools both require the child's teacher to fill out a questionare about the child. You give both questionaire to Avery teacher and obtained two scores. On the CBCL, Avery score is 68. On the BASC Avery
You are interested in whether or not two measures of children behaviour are equlvalent. The measurement tools both require the child's teacher to fill out a questionare about the child. You
give both questionaire to Avery teacher and obtained two scores. On the CBCL, Avery score is 68.
On the BASC Avery score is 32. .The CBCL has a mean of 100 and a standard deviation of 15.The
BASC has mean of 50 and a standard deviation of 10.
(a) What is Avery Z score on the CBCL ?
(b) what is Avery Z score on the BASC?
(c) On which test is Avery score lower relative to the population (CBCL/BASC)
(d) the cutoff score for clinical dianogsis for both tests is a Z score of -2 ?
.Children with a Z score of -2 on either tests are considered as having a significant behavioural
concern. Does these two tests give both give the same meaningful diagonisis (yes/no)
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