Table 3 Item analysis of the 8 MC reading items from form A (n = 47)
From: Test format effects: a componential approach to second language reading
|  | Item type | Mean | Std. deviation | Item discrimination | Corrected item-total correlation | Cronbach’s alpha if item deleted |
|---|---|---|---|---|---|---|
Item 1 | Reference | .64 | .486 | .65 | .459 | .636 |
Item 2 | Vocabulary | .32 | .471 | .26 | .130 | .686 |
Item 3 | Inference | .64 | .486 | .34 | .197 | .677 |
Item 4 | Factual | .49 | .505 | .70 | .496 | .629 |
Item 5 | Factual | .49 | .505 | .45 | .256 | .669 |
Item 6 | Vocabulary | .81 | .398 | .35 | .393 | .650 |
Item 7 | Factual | .83 | .380 | .29 | .196 | .674 |
Item 8 | Negative Factual | .85 | .360 | .35 | .320 | .660 |
Item 9 | Summary | Â | Â | Â | Â | Â |