University of California Press

Table 1. Means (SD) of Test performance on learning items (% correct score), Test performance on transfer items (% correct score), Invested mental effort during test (1–9), Time-on-task during test (in seconds), and Global Judgment of Learning (1-7) after the last practice session per Instructional condition

				Instructional conditions
			N	Practice once	Practice twice	Practice thrice
Test performance
	Learning items	Pretest	51	43.85 (18.22)	47.36 (21.07)	45.23 (17.25)
		Posttest	51	47.17 (14.46)	51.37 (18.94)	49.01 (14.94)
		Posttest	75	47.06 (15.88)	48.56 (17.85)	47.92 (14.22)
	Transfer items	Posttest	75	7.69 (19.66)	5.60 (17.81)	1.67 (8.16)

Mental effort
	Learning items	Pretest	51	4.32 (1.13)	3.65 (1.28)	3.82 (1.27)
		Posttest	51	4.48 (1.25)	4.22 (1.47)	4.22 (1.47)
		Posttest	75	4.64 (1.19)	4.60 (1.19)	4.39 (1.38)
	Transfer items	Posttest	75	4.23 (1.43)	4.35 (1.48)	4.01 (1.68)

Time on task
	Learning items^a	Pretest	46	74.48 (17.13)	75.63 (21.25)	74.43 (18.57)
		Posttest	46	58.82 (31.86)	51.35 (22.85)	45.80 (23.36)
		Posttest	70	59.64 (21.89)	58.82 (26.08)	51.94 (28.50)
	Transfer items	Posttest	75	38.04 (19.11)	37.70 (25.47)	29.04 (16.75)

Global JOL			75	4.04 (1.64)	4.76 (1.17)	4.63 (1.47)

^a Means (SD) of the data excluding outliers.

View Large

This Feature Is Available To Subscribers Only