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# Results for Clerical Tests Mean score Standard deviation Coefficient alpha Test-retest r r with error rate r with speed r with complaints r with work...

1. How do you interpret the reliability results for the clerical test and work sample? Are they favorable enough for Phonemin to consider using them "for keeps" in selecting new job applicants

2. How do you interpret the validity results for the clerical test and work sample? Are the favorable enough for Phoenim to consider using them for keeps in selecting new job applicants?

What limitations in the above study should be kept in mind when interpreting the results and deciding whether to use the clerical test and work sample?

Results attached

Results for Clerical Tests Time 1 Time 2 Mean score 31.61 31.22 Standard deviation 4.70 5.11 Coefficient alpha .85 .86 Test-retest r .92** r with error rate -.31** -.37** r with speed .41** .39** r with complaints -.11 -.08 r with work sample (T) .21 .17 r with work sample (c) .07 .15 Results for Work Sample (T) Time 1 Time 2 Mean score 3.15 3.11 Standard Deviation .93 1.01 % agreement (raters) 88% 79% r with work sample (c) .88%** .77%** r with error rate -.13 -.12 r with speed .11 .15 r with complaints -.37** -.35** Results for Work Sample (C) Time 1 Time 2 Mean score 2.91 3.07 Standard Deviation .99 1.10 % agreement (raters) 80% 82% r with work sample (c) .81%** .77%** r with error rate -.04** -.11** r with speed .15 .14** r with complaints -.40 .-31 (Note: ** means that r was significant at p < .05)

Dear Student, Please check the attached solutions of... View the full answer

1. By Reliability, we mean quality in time domain. An instrument is reliable if it gives the
same measurement output for a given characteristic over different point of time under the
same external...

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