Psychology 357: Experiments in Cognitive Science, Spring 2001 Lab #1: Iconic Memory Basic Data, but in Row-Rank Order. The basic data were adjusted for each subject such that the row order is from best row (B) to worst row (W). The ordering was determined by starting, for each subject, with the number of letters correct in position for each delay. The proportion of such letters in each row was then determined. For each row, these proportions were averaged over the four delays. These three means were ranked to determine B, M,and W rows for that subject. *********************************************************************** nomask data *********************************************************************** Mean number of letters correct in position d=-100 d=100 d=300 d=800 Sb Whl rB rM rW Av rB rM rW Av rB rM rW Av rB rM rW Av 1 3.19 2.0 2.0 2.0 2.00 2.0 1.6 1.6 1.72 1.6 1.9 1.0 1.48 1.7 1.6 0.5 1.26 2 3.19 1.8 2.7 1.0 1.85 2.5 1.8 1.8 2.00 1.7 1.2 1.7 1.51 1.5 0.7 0.7 0.96 3 3.75 3.2 3.6 3.4 3.39 3.0 2.6 2.5 2.70 2.4 2.7 2.0 2.36 2.1 1.2 1.6 1.64 4 2.81 1.3 0.8 0.4 0.84 1.5 1.0 1.0 1.17 0.4 0.8 0.3 0.50 0.7 0.5 0.0 0.39 5 2.62 0.3 1.3 0.2 0.64 0.7 0.8 0.0 0.49 1.2 1.0 0.0 0.75 2.0 0.5 0.2 0.89 6 3.75 3.2 3.5 3.8 3.50 3.0 2.1 2.6 2.58 1.8 1.8 1.3 1.66 1.5 1.5 0.4 1.13 7 3.06 1.8 1.5 0.2 1.16 1.8 0.6 0.5 0.98 1.6 1.6 0.5 1.22 1.5 1.7 0.5 1.22 8 3.50 2.7 3.3 2.6 2.87 3.0 2.5 0.6 2.02 2.4 1.8 1.0 1.75 1.8 0.7 0.2 0.89 9 4.31 3.3 1.0 0.4 1.58 3.8 1.2 0.4 1.80 2.4 1.0 0.3 1.24 3.8 1.8 0.0 1.88 10 3.62 3.7 2.7 1.4 2.59 2.5 2.0 2.0 2.17 2.8 1.5 1.8 2.03 2.0 0.8 0.4 1.07 Mean number of letters correct regardless of position d=-100 d=100 d=300 d=800 Sb Whl rB rM rW Av rB rM rW Av rB rM rW Av rB rM rW Av 1 3.56 2.2 2.2 2.0 2.12 2.2 1.8 1.6 1.85 1.7 1.9 1.0 1.52 1.7 1.6 0.7 1.31 2 3.25 2.0 2.9 1.0 1.95 2.8 1.8 1.8 2.08 1.7 1.4 1.7 1.58 1.5 0.8 0.7 1.02 3 3.81 3.3 3.6 3.6 3.51 3.0 2.6 2.5 2.70 2.4 2.8 2.3 2.52 2.3 1.2 1.6 1.68 4 2.94 1.3 1.0 0.6 0.98 1.5 1.2 1.0 1.22 0.7 1.0 0.3 0.67 0.7 0.8 0.2 0.56 5 2.62 0.7 1.7 0.2 0.86 0.7 1.6 0.0 0.76 1.2 1.0 0.0 0.75 2.0 0.5 0.3 0.94 6 4.06 3.2 3.5 3.8 3.50 3.5 2.3 2.8 2.86 2.2 2.0 1.8 2.00 1.8 1.7 0.6 1.37 7 3.56 1.8 1.8 0.5 1.35 2.0 1.0 0.7 1.22 1.6 2.1 0.8 1.50 1.8 2.0 1.2 1.67 8 3.50 2.8 3.3 2.8 2.99 3.0 2.8 1.1 2.30 2.4 1.8 1.4 1.89 2.4 0.8 0.6 1.28 9 4.56 3.5 1.3 0.6 1.80 3.8 1.8 0.8 2.13 2.6 1.0 0.7 1.42 3.8 2.0 0.3 2.06 10 3.94 3.7 2.9 1.8 2.77 3.0 2.2 2.4 2.56 2.8 2.0 2.8 2.53 2.1 1.0 1.0 1.38 *********************************************************************** mask data *********************************************************************** Mean number of letters correct in position d=-100 d=100 d=300 d=800 Sb Whl rB rM rW Av rB rM rW Av rB rM rW Av rB rM rW Av 1 1.50 1.0 2.0 1.0 1.33 1.0 1.5 0.0 0.83 0.0 0.0 0.5 0.17 1.2 1.0 1.0 1.08 2 3.00 2.0 0.0 1.0 1.00 1.3 0.3 0.7 0.78 2.0 0.5 0.0 0.83 0.0 0.0 0.0 0.00 3 3.25 3.0 0.5 0.0 1.17 0.7 2.0 1.0 1.22 1.5 2.0 0.0 1.17 0.0 1.0 2.0 1.00 4 1.50 0.2 0.0 0.0 0.08 1.0 0.0 0.7 0.56 0.0 1.0 0.0 0.33 1.0 1.0 2.0 1.33 5 1.50 0.0 0.0 0.0 0.00 0.0 2.0 0.0 0.67 0.0 0.5 0.0 0.17 3.0 2.5 0.0 1.83 6 2.00 2.0 2.3 2.0 2.11 2.3 0.0 1.0 1.11 1.0 1.5 0.0 0.83 1.0 1.0 1.0 1.00 7 2.75 1.0 0.3 0.0 0.44 0.0 0.5 0.0 0.17 0.5 0.0 0.0 0.17 2.0 1.0 0.0 1.00 8 3.50 1.0 0.0 0.5 0.50 1.7 2.0 0.0 1.22 0.0 4.0 0.0 1.33 2.0 2.0 0.0 1.33 9 4.00 3.0 0.0 0.0 1.00 3.5 2.0 0.0 1.83 4.0 0.0 3.0 2.33 4.0 1.0 4.0 3.00 10 2.25 1.0 0.0 0.5 0.50 2.3 0.7 0.0 1.00 2.5 0.0 0.0 0.83 0.0 0.0 0.5 0.17 Mean number of letters correct regardless of position d=-100 d=100 d=300 d=800 Sb Whl rB rM rW Av rB rM rW Av rB rM rW Av rB rM rW Av 1 2.25 1.0 2.0 1.0 1.33 2.0 2.0 0.0 1.33 0.0 0.0 0.5 0.17 1.2 1.0 1.0 1.08 2 3.25 3.0 0.0 1.0 1.33 1.3 0.7 1.0 1.00 4.0 0.5 0.0 1.50 0.0 1.0 0.0 0.33 3 3.25 3.0 1.0 0.0 1.33 1.0 2.0 1.0 1.33 1.5 2.0 0.0 1.17 0.0 2.0 2.0 1.33 4 2.00 0.8 0.0 0.0 0.25 1.0 1.0 0.7 0.89 0.0 1.0 0.0 0.33 1.0 1.0 2.0 1.33 5 1.75 0.0 0.0 0.0 0.00 0.0 2.0 0.3 0.78 0.5 0.5 0.0 0.33 3.0 2.5 0.0 1.83 6 2.25 2.0 2.3 3.0 2.44 2.7 0.0 1.0 1.22 2.0 2.0 0.0 1.33 1.0 1.0 1.0 1.00 7 2.75 1.0 0.7 0.0 0.56 0.0 0.5 0.0 0.17 0.5 0.0 0.0 0.17 2.0 1.0 0.0 1.00 8 3.50 2.0 0.0 1.5 1.17 1.7 2.0 0.0 1.22 0.0 4.0 0.5 1.50 2.5 2.0 0.0 1.50 9 4.25 3.0 0.0 0.5 1.17 3.5 2.0 0.0 1.83 4.0 1.0 3.0 2.67 4.0 1.5 4.0 3.17 10 2.50 1.0 0.0 1.0 0.67 2.7 1.3 0.0 1.33 3.0 1.0 0.0 1.33 0.0 0.5 1.5 0.67