Table 1 Comparative IRR test scores and κ statistic.

From: Online training programs for adults with disabilities: a systematic review

Categories

First IRR

Second IRR

Third IRR

N studies

Percent

N studies

Percent

N studies

Percent

Total items coded individually

161

100

160

100

160

100

Number of studies included in the screening*

15

 

69

 

62

 

Number of studies excluded in the screening*

307

 

251

 

258

 

Number of agreements included and excluded*

154

95.65

150

93.17

160

100

Number of studies that required discussion

7

4.35

10

6.25

0

-

Lack of agreement after discussion

0

 

0

 

0

 

Agreement after arbitration

NA

NA

NA

NA

NA

NA

κ Statistic a

0.74

 

0.80

 

1

 
  1. Note: IRR interrater reliability.
  2. aκ statistic was calculated based upon the number of inclusions and exclusions after the initial screening decision and before reconciliation (Cohen’ Kappa).
  3. *Made by the two judges.