Table 3.
Option | Option position | Reference category | OR [95% CI] | ||||
---|---|---|---|---|---|---|---|
Item 2 | Item 3 | Item 4 | Item 5 | Overall | |||
CR | A | E | 1.24 [1.22, 1.27]*** | 1.04 [1.02, 1.06]*** | 1.42 [1.39, 1.44]*** | 1.13 [1.11, 1.15]*** | 1.18 [1.17, 1.19]*** |
Far | Close | 1.03 [1.01, 1.05]** | 1.10 [1.08, 1.12]*** | 1.02 [1.00, 1.04]* | 1.08 [1.06, 1.10]*** | 1.05 [1.04, 1.06]*** | |
MAD | Before CR | After CR | 1.30 [1.27, 1.34]*** | 1.00 [0.97, 1.03] | 1.22 [1.20, 1.25]*** | 1.07 [1.04, 1.09]*** | 1.15 [1.13, 1.16]*** |
Close | Far | 1.10 [1.07, 1.13]*** | 1.12 [1.09, 1.15]*** | 1.27 [1.25, 1.30]*** | 1.17 [1.15, 1.20]*** | 1.18 [1.16, 1.19]*** | |
Distractor 2 | Before CR | After CR | 1.02 [0.99, 1.06] | 1.07 [1.04, 1.10]*** | 1.10 [1.08, 1.13]*** | 1.05 [1.02, 1.07]*** | 1.06 [1.05, 1.08]*** |
Close (approximately) | Far (approximately) | 1.12 [1.08, 1.16]*** | 1.09 [1.06, 1.12]*** | 0.96 [0.94, 0.98]*** | 1.04 [1.02, 1.06]*** | 1.03 [1.02, 1.05]*** | |
Distractor 3 | Before CR | After CR | 1.22 [1.19, 1.26]*** | 1.02 [0.99, 1.05] | 1.10 [1.07, 1.14]*** | 0.99 [0.96, 1.03] | 1.09 [1.07, 1.10]*** |
Close (approximately) a | Far (approximately) a | 1.07 [1.03, 1.10]*** | 0.95 [0.92, 0.98]** | 1.16 [1.13, 1.19]*** | 0.99 [0.96, 1.02] | 1.04 [1.03, 1.06]*** | |
Distractor 4 | Before CR | After CR | 1.22 [1.19, 1.26]*** | 1.02 [0.99, 1.05] | 1.10 [1.07, 1.14]*** | 0.99 [0.96, 1.03] | 1.09 [1.07, 1.10]*** |
Close a | Far a | 1.07 [1.04, 1.11]*** | 1.00 [0.97, 1.03] | 1.33 [1.29, 1.37]*** | 1.25 [1.20, 1.30]*** | 1.14 [1.12, 1.16]*** |
Note. OR = odds ratio; CI = confidence interval; CR = correct response; MAD = most attractive distractor.
For Distractors 3 and 4, the “close” position corresponded to the experimental condition far.
Gray-colored text corresponds to results which were contrary to predictions.
p < .05. **p < .01. ***p < .001.