NAEP Assessment Sample Design → NAEP 2009 Sample Design → Sample Design for the 2009 National Assessment → Hands-On Tasks (HOT) and Interactive Computer Tests (ICT) for the 2009 Science Assessment → School and Student Participation Results for the 2009 Science HOT and ICT Assessments → School Response Rates for 2009 Science HOT and ICT

NAEP Technical DocumentationSchool Response Rates for 2009 Science HOT and ICT

The following table presents counts of eligible sampled schools and participating schools, as well as weighted school response rates, for the science hands-on tasks (HOT) and interactive computer tests (ICT) school samples. The weighted school response rates estimate the proportion of the student population that is represented by the participating school sample prior to substitution.

School response counts and rates for public and private schools before substitution, science HOT and ICT assessment, by grade, study, school type and region: 2009

Grade	Study/school type/region	Number of sample eligible schools	Number of participating schools	Weighted school response rate prior to substitution (percent)
NOTE: School counts are rounded to nearest ten. Detail may not sum to totals because of rounding. Percentages are based on unrounded counts. SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2009 Assessment.
4	Science HOT
	National all	190	180	96.78
	Northeast all	30	30	91.55
	Midwest all	40	40	96.20
	South all	70	70	99.23
	West all	50	50	97.09
	National public	170	160	97.79
	National private	20	20	83.58
	Catholic	10	10	87.73
	Non-Catholic private	10	10	79.15
4	Science ICT
	National all	180	170	96.13
	Northeast all	30	30	94.96
	Midwest all	40	40	95.04
	South all	70	60	97.51
	West all	40	40	95.70
	National public	150	150	98.33
	National private	30	20	75.62
	Catholic	10	10	88.07
	Non-Catholic private	20	10	64.24
8	Science HOT
	National all	200	180	95.17
	Northeast all	30	30	89.54
	Midwest all	60	60	100.00
	South all	70	70	95.65
	West all	40	30	91.63
	National public	170	170	98.17
	National private	30	20	68.48
	Catholic	10	10	89.10
	Non-Catholic private	20	10	55.59
8	Science ICT
	National all	190	180	96.32
	Northeast all	40	30	90.89
	Midwest all	40	40	94.51
	South all	70	60	98.53
	West all	50	50	98.39
	National public	160	160	98.75
	National private	30	20	69.56
	Catholic	10	10	90.86
	Non-Catholic private	20	10	52.10
12	Science HOT
	National all	230	180	82.76
	Northeast all	40	40	82.40
	Midwest all	60	50	92.37
	South all	80	70	88.58
	West all	50	30	64.77
	National public	200	170	85.15
	National private	30	20	55.99
	Catholic	10	10	66.67
	Non-Catholic private	20	10	43.51
12	Science ICT
	National all	230	190	83.46
	Northeast all	50	40	82.64
	Midwest all	60	50	92.67
	South all	70	70	89.65
	West all	60	40	66.16
	National public	200	170	85.36
	National private	30	20	63.55
	Catholic	10	10	71.00
	Non-Catholic private	20	10	53.52

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