A scrutiny of the relationship between cognitive load and difficulty estimates of language test items

Language Testing in Asia

Table 4 Pearson’s product moment correlation of response time and difficulty estimates (vocabulary items)

		1	2	3	4
1. Difficulty estimates vocabulary items (first set)	Pearson	_	.323^*	.485^**	.441^**
1. Difficulty estimates vocabulary items (first set)	Sig. (2-tailed)	_	.012	.000	.000
2. Response time vocabulary items (first set)	Pearson		_	.445^**	.780^**
2. Response time vocabulary items (first set)	Sig. (2-tailed)		_	.000	.000
3. Difficulty estimates vocabulary items (second set)	Pearson			_	.709^**
3. Difficulty estimates vocabulary items (second set)	Sig. (2-tailed)			_	.000
4. Response time vocabulary items (second set)	Pearson				_
4. Response time vocabulary items (second set)	Sig. (2-tailed)				_