Training in diagnostic techniques

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 Nurcombe and Fitzhenry-Coor (1979) have argued that training in  diagnostic  techniques should lead a clinician to generate and test more hypotheses in coming to a decision about a case. Suppose we take 10 psychiatric residents who are just beginning their residency and use them as participants. We ask them to watch a videotape of an inter- view and to record their thoughts on the case every few minutes. We then count the number of hypotheses each resident includes in his or her written remarks. The experi- ment is repeated with the same residents at the end of the residency with a comparable videotape. The data are given.

Participant

 

1

2

3

4

5

6

7

8

9

10

Before

8

4

2

2

4

8

3

1

3

9

After

7

9

3

6

3

10

6

7

8

7

(a) Analyze the data using Wilcoxon's matched-pairs signed-ranks test.

(b) What would you conclude?

Reference no: EM131162805

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