Table 3.

Experiment 2. Descriptive statistics of Meta-Memory Accuracy by Age Group and Set Size

Age Group	Set Size	k	Meta-WM	Meta accuracy (absolute)	Hit Rate	False Alarms
1st – 2nd Grade	3	1.6 (0.57)	2.9 (0.24)	1.3 (0.59)	.85 (0.11)	.38 (0.14)
	6	1.7 (1.0)	4.5 (1.50)	2.8 (1.9)	.65 (0.14)	.48 (0.15)
	9	1.3 (1.4)	5.9 (2.58)	4.7 (2.96)	.61 (0.17)	.54 (0.16)
3rd – 4th Grade	3	2.2 (0.48)	3.0 (0.096)	0.76 (0.50)	.88 (0.083)	.23 (0.14)
	6	2.1 (1.5)	4.7 (1.34)	2.6 (1.66)	.71 (0.14)	.47 (0.18)
	9	2.4 (1.8)	5.8 (2.86)	3.8 (2.82)	.62 (0.14)	.45 (0.15)
5th – 7th Grade	3	2.5 (0.53)	2.9 (0.19)	0.47 (0.38)	.87 (0.14)	.14 (0.12)
	6	2.3 (1.3)	4.2 (1.27)	2.2 (1.56)	.73 (0.19)	.43 (0.16)
	9	2.7 (1.5)	4.3 (1.84)	1.9 (2.31)	.65 (0.23)	.45 (0.14)
College Students	3	2.8 (0.22)	3.0 (0.039)	0.20 (0.22)	.96 (0.051)	.065 (0.064)
	6	3.4 (1.1)	4.6 (1.10)	1.5 (1.24)	.82 (0.12)	.35 (0.14)
	9	3.6 (2.0)	5.1 (2.10)	2.01 (1.65)	.72 (0.14)	.43 (0.17)

Note. Values represent mean values and in parenthesis, standard deviations.