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. Author manuscript; available in PMC: 2023 Oct 11.
Published in final edited form as: J Offender Rehabil. 2022 Oct 11;61(8):442–455. doi: 10.1080/10509674.2022.2128153

Table 5.

Relationships Between Supplementary Items, Ability Estimates and Total Scores

Item # Ability Estimates (IRT) Total Scores (CTT)
13a 0.29** 0.19**
13b 0.18* 0.11*
13c 0.16* 0.11
13d 0.12* 0.10
13e 0.12* .012*
13f 0.06 0.06
13g 0.08 0.08
13h 0.14* 0.15*
13i 0.19** 0.20**
13j 0.15* 0.19**
13k 0.08 0.11*
13l 0.19** 0.17*
13m 0.12* 0.12*
13n 0.12* 0.11*
13o 0.08 0.08
13p 0.21** 0.21**
13q 0.12* 0.12*
13r 0.14* 0.14*
13s 0.13* 0.11*
14 0.05 0.03
15 0.34** 0.31**
16 0.11* 0.11*
17 0.33** 0.32**

Note. Numbers represent Pearson correlations. IRT = Item Response Theory; CTT = Classical Test Theory.

**

p ≤ .001,

*

p < .05.