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. 2013 Fall;12(3):542–552. doi: 10.1187/cbe.11-08-0066

Table 1.

Mean pre- and posttest scores and learning gains on the PhAT during Fall 2008 (n = 205) and Fall 2009 (n = 163)

Absolute scores
Part A (3 points) Part B′ (1 point) Part B″ (2 points) Part C′ (1 point) Part C″ (2 points) Total (9 points)
Fall 2008 Score (± SE) Score (± SE) Score (± SE) Score (± SE) Score (± SE) Score (± SE)
Pre 1.00 (± 0.06) 0.31 (± 0.03) 0.01 (± 0.01) 0.79 (± 0.03) 0.04 (± 0.03) 2.14 (± 0.07)
Post 1.79 (± 0.05) 0.23 (± 0.03) 1.20 (± 0.07) 0.91 (± 0.02) 0.27 (± 0.05) 4.41 (± 0.12)
Gain 0.79 (± 0.07) −0.08 (± 0.04) 1.19 (± 0.07) 0.13 (± 0.03) 0.23 (± 0.05) 2.27 (± 0.14)
Fall 2009
Pre 0.85 (± 0.06) 0.43 (± 0.04) 0.19 (± 0.04) 0.76 (± 0.03) 0.20 (± 0.45) 2.43 (± 0.11)
Post 1.90 (± 0.07) 0.49 (± 0.04) 1.71 (± 0.05) 0.86 (± 0.03) 0.31 (± 0.05) 5.27 (± 0.13)
Gain 1.06 (± 0.08) 0.06 (± 0.05) 1.52 (± 0.06) 0.10 (± 0.04) 0.10 (± 0.06) 2.84 (± 0.15)
Percent scores
Part A (3 points) Part B′ (1 point) Part B″ (2 points) Part C′ (1 point) Part C″ (2 points) Total (9 points)
Fall 2008 Percent (± SE) Percent (± SE) Percent (± SE) Percent (± SE) Percent (± SE) Percent (± SE)
Pre 33.17 (± 1.88) 31.22 (± 3.24) 0.49 (± 0.49) 78.54 (± 2.86) 1.95 (± 0.97) 23.79 (± 0.81)
Post 59.59 (± 1.58) 23.41 (± 2.97) 60.00 (± 3.43) 91.22 (± 1.98) 13.66 (± 2.40) 48.97 (± 1.37)
Gain 26.42 (± 2.16) −7.80 (± 4.23) 59.51 (± 3.51) 12.68 (± 3.41) 11.71 (± 2.55) 25.18 (± 1.50)
Normalized gaina 30.40 (± 2.78)
Fall 2009
Pre 28.22 (± 1.98) 42.94 (± 3.89) 9.51 (± 2.02) 76.07 (± 3.35) 10.12 (± 2.27) 26.99 (± 1.26)
Post 63.50 (± 2.25) 49.08 (± 3.93) 85.28 (± 2.61) 85.89 (± 2.74) 15.34 (± 2.55) 58.52 (± 1.42)
Gain 35.28 (± 2.55) 6.13 (± 5.41) 75.77 (± 3.15) 9.82 (± 4.19) 5.21 (± 2.97) 31.53 (± 1.68)
Normalized gaina 40.32 (± 2.55)

aCalculated as (posttest percent − pretest percent)/(100% − pretest percent).