Disciplinary and Interdisciplinary Science Education Research

Table 6 Descriptive statistics of students' scientific literacy assessment standards

From: Development and validation of an instrument for assessing scientific literacy from junior to senior high school

		Grade 6			Grade 9			Grade 12
	Proficient	Advanced	Excellent	Proficient	Advanced	Excellent	Proficient	Advanced	Excellent
Mean	39.75	45.68	49.49	46.39	52.22	58.33	50.71	58.09	63.17
Median	39.58	45.68	49.60	46.35	52.21	58.86	50.88	58.02	63.15
Mode	39.58	45.68	49.60	46.35	52.21	58.86	50.88	58.02	63.15
Variance	0.47	0.64	0.13	0.02	0.00	1.51	0.33	0.06	0.01
Range	2.59	3.26	1.27	0.42	0.02	3.16	2.00	0.84	0.37
Minimum	39.33	44.61	48.33	46.35	52.21	55.70	48.88	58.02	62.97
Maximum	41.92	47.87	49.60	46.77	52.23	58.86	50.88	58.86	63.34

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