Table 1.

Description of different versions of the Reading Span test.

	Mode of Delivery	Recall Item	Judgment Task	Discontinue Criteria	Dependent Variable
Daneman and Carpenter, 1980	Oral or read from card	Final word in series	Semantic (yes/no)	Fail all three items in set	Span at which items are correctly reported for 2/3 sentences in a set
Baddeley et al., 1985	Oral	Subject or object of sentence (as cued)	Factual (true/false)	N/A	# of items recalled in correct serial order
Rönnberg et al., 1989	Read from computer	Final word in series	Semantic (yes/no)	N/A	# Correct items recalled/maximum score
Conway et al., 2002	Read from computer	Unrelated word presented at end of each sentence	None; must score better than 50% on comprehension post-test	N/A	# of items recalled in correct serial order, weighted by the number of items within a series (e.g., two points per correct two-item series)
Towse et al., 2008	Read from computer; subjects provide a word to complete sentence	Completion word provided by subjects (integrated word condition), or unrelated target word provided (independent word condition)	None	Fail all three items in set	# of words correctly recalled