Exact(5)
Fig. 3 Item Person Map of BISOC.
Table 3 BARSTL person and item reliability values Pre-development Post-development Person Item Person Item Separation index 1.90 3.11 5.03 3.46 Reliability 0.78 0.91 0.86 0.92 Values of reliability and separation indices calculated using Winsteps software for the pre- and post-development BARSTL surveys.
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An item person (Wright) map of the SSEAS was examined for content coverage and item targeting.
Similar(55)
"If they're a picture-and-bullet-item person versus a long-dry-paragraph person, you can dynamically adjust the results based on that information," Mr. McDonald said.
For skills items person reliability was 0.42 and separation was 0.85 for the first cohort.
From Extra Commitment dimension, two items were excluded due to misfits between theta value and difficulty on the Item-Person map.
The item-person map displays the localization of the item parameters, as well as the distribution of the person parameters, along the latent trait.
The sensibility of the outfit was also taken into account to detect extreme values of residuals, as can be noted in the item-person map through the Rasch model in the Winsteps.
Finally, one item was deleted from the dimension Organizational Defense for also demonstrating misfits between theta value and difficulty on the Item-Person map, infit and outfit values close to 1.30, and factor loading less than.30.
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