I__. - International Military Testing Association

Table 1
Effect of Instructional Conditions on ASP Scales
scale
Instructional Condition
COACHED- COACHED-
HONEST FAKE GOOD WITH WARNING NO WARNING
(n=126) (n=148) (n-109) (n=lOO)
-
ASAP Total 114.58 (10.67) 120.50 (9.35) 117.59 (12.06) 120.80 (9.86)
ABLE Total 142.01 (15.18) 158.33 (14.44) 144.88 (14.54) lSS.51 (15.87)
Achievement 54.90 (7.72) 62.13 (6.53) 56.07 (6.30) 60.13 (7.13)
Adjustment 33.06 (4.50) 36.51 (4.13) 33.36 (4.64) 35.18 ’ (4.98)
Dependability 54.02 (5.49) 59.61 (5.39) 54.50 (6.22) 58.99 (5.63)
Fake Validity 15.99 (3.27) 21.40 (5.50) 16.24 (3.75) 20.74 (4.77)
,&&. The maximum sample sizes are reported. Sample sizes vary slightly across outcome
measures. Standard deviations are presented in parentheses.
ABLE Validity scale, E(3, 475) = 50.75, ec.001. As shown in Table 1, the honest and coached-with
warning groups had comparable means on the Validity scale, with J$ = 15.99 and u, = 16.24,
respectively. By comparison, the means on this scale were about one standard devration higher in the
fake good @ = 21.40) and coached @ = 20.74) groups. None of the main effects of test order or the
treatment group by test order interaction was significant (all ~s.05)
Effect Sizes for Instructional Group Comparisons
Effect sizes for the 6 possible combinations of instructional comparisons for all ASP scales and
composites are reported in Table 2. Scheffe test significance levels for each comparison are also
shown.
Table 2
E f f e c t
Honest v. Honest v. Honest v. Fake Good v. Fake Good v. Coached v.
Scale Fake Good Coached-W Coached-NW Coached-W Coached-NW Coached-M
ASAP Total -4.562 -0.26 -0.58* +0.27 -0.03 -0.26
ABLE Total -0.96* -0.19 -0.00* +o.a4* +0.19 -0.73*
Achievement -0.90* -0.16 -0.67* +0.05* +0.30 -0.64f
Adjustment -0.74* -0.06 -0.47* +0.60* +0.31 -0.39
Dependability -0.91* -0.08 -0.90* +0.81* +0.11 -0.72*
Fake Validity -1.01* -0.07 -1.4s* +0.94* +0.12 -1.20'
Note. Coached-W = Coached with a warning about fake detection items in the test.
Coached-NW = Coachedwithout a warning about fake detection items in the test.
'The difference in group means divided by the pooled group standard deviation.
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