Table 4.

Exit survey data.

Question	Choice	Stage 1		Stage 2
		Blocked	Interleaved	Blocked	Interleaved
Level of surprise (“How surprising was the in-class practice exam?”)
	Utterly shocking	29.5%	26.5%	16.8%	7.3%
	Surprising	33.1%	41.1%	20.8%	19.7%
	Somewhat surprising	20.9%	17.2%	23.5%	19.0%
	Neither surprising nor unsurprising	5.0%	9.3%	15.4%	21.9%
	Not surprising at all	1.4%	0.7%	18.8%	21.9%
	No response	10.1%	5.3%	4.7%	10.2%
Hours of studying per week before criterial test 1 (2) (“During weeks 1–4 (5–8) until just before the Friday surprise practice test, roughly how many hours on average did you spend each week reviewing for midterm 1 (2)?”)
	0–3	54.0%	58.3%	49.0%	36.5%
	3–6	25.9%	26.5%	28.2%	30.7%
	6–9	6.5%	7.9%	12.1%	16.8%
	9–12	2.9%	1.2%	4.7%	5.1%
	More than 12	0.7%	0.7%	1.3%	0.7%
	No response	10.1%	5.3%	4.7%	10.2%
Hours of studying between criterial test and the midterm (“During the weekend just after the practice test and just before the midterm, roughly how many hours did you spend studying for the midterm?”)
	0–5	10.1%	7.3%	6.7%	9.5%
	5–10	18.0%	30.5%	28.2%	20.4%
	10–15	27.3%	29.8%	30.9%	22.6%
	15–20	21.6%	19.2%	17.4%	21.9%
	More than 20	12.9%	7.9%	12.1%	15.3%
	No response	10.1%	5.3%	4.7%	10.2%