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Table 3 Simulations design

From: Applying multidimensional computerized adaptive testing to the MSQOL-54: a simulation study

 

SE on general factor

SE on group factor

Change in \(\widehat{\theta }\) from one item to the next for both the general and the group factors

Simulation

HRQOL

Physical function

Role limitations-physical

Role limitations-emotional

Bodily pain

Emotional well-being

Energy/vitality

Health perceptions

Cognitive function

Health distress

Sexual function

 

Full*

-

-

-

-

-

-

-

-

-

-

-

-

1

0.32

0.50

0.50

0.50

0.50

0.50

0.50

0.50

0.50

0.50

0.50

-

2

0.32

0.50

0.50

0.50

0.50

0.50

0.50

0.50

0.50

0.50

0.50

< 0.01

3

0.32

-

-

-

-

-

-

-

-

-

-

-

4

0.32

-

-

-

-

-

-

-

-

-

-

< 0.01

5

0.40

0.50

0.50

0.50

0.50

0.50

0.50

0.50

0.50

0.50

0.50

-

6

0.40

0.50

0.50

0.50

0.50

0.50

0.50

0.50

0.50

0.50

0.50

< 0.01

7

0.40

-

-

-

-

-

-

-

-

-

-

-

8

0.40

-

-

-

-

-

-

-

-

-

-

< 0.01

  1. HRQOL, health-related quality of life; SE, standard error of measurement; \(\widehat{\theta }\), latent trait estimate
  2. * Simulation conducted with no termination rules