Skip to main content

Advertisement

Table 2 Characteristics of the CAT under several stopping rules.

From: A proof of principle for using adaptive testing in routine Outcome Monitoring: the efficiency of the Mood and Anxiety Symptoms Questionnaire -Anhedonic Depression CAT

Stopping rule Number of Items Used Mean SE(θ) Marginal Reliability Correlation between CAT θand Complete Test θ
  Mean SD % All    
None 22.000 0.000 100.0 0.231 0.945a 1.000
SE(θ) <0.2 19.726 3.504 65.3 0.234 0.944 0.999
SE(θ) <0.3 8.644 5.712 11.0 0.298 0.910 0.979
SE(θ) <0.4 4.484 3.849 2.9 0.373 0.850 0.946
SE(θ) <0.5 2.789 1.840 0.3 0.425 0.793 0.917
SE(θ) <0.6 1.505 0.520 0.0 0.521 0.577 0.837
  1. a Coefficient alpha for the full MASQ-AD was 0.940.