Exact(17)
Therefore, item difficulty can indeed be controlled by varying the investigated factors, which answers the first research question.
The item responses that reflect aberrant response behavior are ignored for the estimation of proficiency and item parameters; therefore, item parameter and proficiency estimates are expected to be unbiased.
Therefore, item parameters were fixed at the values generated in the first item calibration step (see above), and the latent regression model contains background variables like sex, age, and OTL (Mislevy 1991; von Davier et al. 2009; OECD 2012; 2012).
Therefore Item 19 is scored with 0.
Therefore, item 11 was allocated to dimension Internality in the following analyses.
Therefore item 17 was changed to: can you walk 150 meters (approximately 150 yards).
Similar(43)
Therefore, items were neither changed nor omitted.
Therefore items I2 and I8 were removed.
Therefore items concerning content were included in TWS.
Therefore, items were only assigned to a factor if the magnitude of their factor loading exceeded 0.40.
Therefore, items associated with weight loss, sleeping disturbance and work inhibition were excluded in this study [ 50].
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