Tables

Appendix A Tables

Appendix B Tables

Tables

Table 1.

Study Variables, Definitions and Measures
Variable Measure Value
Dependent
NAEP Science Achievement Score Description:

NAEP Science Scale:
Overall ID: SRPUV

0-300
Independent
Computer at Home NAEP question ID:  B017101
Is there a computer at home that you use? (student-reported)
Yes, No
Controlled
Gender NAEP question ID:  GENDER
Gender of student as taken from school records
Male, Female
Race NAEP question ID:  SDRACE
School-reported race/ethnicity (supplemented in some cases by student self-reported data)
White, Black, Hispanic, Asian/Pacific Islander, American Indian/Alaska Native, Two or more races
National School Lunch Program (SES) Full Title: Student eligibility for National School Lunch Program based on school records (collapsed to three categories, as included in NAEP reports) ID:  SLUNCH3 Eligible,

Not Eligible

Parental Education Level Full Title: Parental education: Highest level achieved by either parent (based on student responses to two background questions)
ID: PARED
Did not finish high school, Graduated high school, Some education after high school, Graduated college, Unknown

NOTE:  Criteria, measures, jurisdiction, and variable information from NAEP Data Explorer (2011).

See http://nces.ed.gov.nationsreportcard/hstsdata

 

Table 2.

 

Average Scale Scores for Science, Grade 12 by Computer at Home [B017101], Jurisdiction, Year and All Students [TOTAL]: 2009

Year     Yes No
Jurisdiction Average scale score Standard Error Average scale score Standard Error
2009 National Public 151 (0.9) 127 (2.2)
NOTE: The NAEP Science scale ranges from 0 to 300. Some apparent differences between estimates may not be statistically significant.
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2009 Science Assessment.

 

 

Table 3.

 

Average Scale Scores for Science, Grade 12 by All Students [TOTAL], National School Lunch Program Eligibility, 3 Categories [SLUNCH3],Jurisdiction, Year and Computer at Home [B017101]: 2009

Year Jurisdiction Computer at home All students
All students
National School Lunch Program eligibility, 3 categories
Eligible Not eligible Information not available
Average scale score Standard Error Average scale score Standard Error Average scale score Standard Error
2009 National public Yes 134 (1.0) 157 (0.8) 147 (7.4)
    No 123 (2.4) 132 (3.5) (†)
     

† Not applicable.
‡ Reporting standards not met.
NOTE: The NAEP Science scale ranges from 0 to 300. Some apparent differences between estimates may not be statistically significant.
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2009 Science Assessment.

 

Table 4.

 

Average Scale Scores for Science, Grade 12 by Parental Education Level, from 2 Questions [PARED], Year, Jurisdiction and Computer at Home [B017101]: 2009
Year Jurisdiction Computer at home Did not finish high school Graduated high school Some education after high school Graduated college Unknown
Average scale score Standard Error Average scale score Standard Error Average scale score Standard Error Average scale score Standard Error Average scale score Standard Error
2009 National public Yes 133 (1.4) 139 (1.3) 148 (0.9) 161 (0.8) 123 (2.3)
    No 121 (4.6) 125 (3.5) 132 (4.0) 137 (3.1) (†)

† Not applicable.
‡ Reporting standards not met.
NOTE: The NAEP Science scale ranges from 0 to 300. Some apparent differences between estimates may not be statistically significant.
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2009 Science Assessment.

 

Table 5.

 

Average Scale Scores for Science, Grade 12 by National School Lunch Program Eligibility, 2 Categories [SLUNCH3], Parental Education Level, From 2 Questions [PARED], Jurisdiction, Year and Computer at Home [B017101]: 2009

 

Eligible Not eligible
Parental education level, from 2 questions Parental education level, from 2 questions
Did not finish high school Graduated high school Graduated college Did not finish high school Graduated high school Graduated college
Average scale score Standard Error Average scale score Standard Error Average scale score Standard Error Average scale score Standard Error Average scale score Standard Error Average scale score Standard Error
National public 2009 Yes 132 (1.7) 131 (1.8) 137 (1.9) 134 (2.3) 145 (1.6) 166 (0.8)
    No 120 (4.9) 123 (3.5) 127 (4.5) (†) (†) (†)

† Not applicable.
‡ Reporting standards not met.
NOTE: The NAEP Science scale ranges from 0 to 300. Some apparent differences between estimates may not be statistically significant.
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2009 Science Assessment.

Table 6.

 

Average Scale Scores for Science, Grade 12 by All Students [TOTAL], Race/Ethnicity Used to Report Trends, School-Reported [SDRACE], Year, Jurisdiction and Computer at Home [B017101]: 2009
Year Jurisdiction Computer at home All students
Race/ethnicity used to report trends, school-reported
White Black Hispanic Asian/Pacific Islander  

American Indian/Alaska Native

Average scale score Standard Error Average scale score Standard Error Average scale score Standard Error Average scale score Standard Error Average scale score Standard Error
2009 National public Yes 160 (0.7) 126 (1.4) 135 (1.3) 165 (3.4) (†)
  No 138 (2.4) 113 (3.3) 121 (3.0) (†) (†)

† Not applicable.
‡ Reporting standards not met.
Black includes African American, Hispanic includes Latino, and Pacific Islander includes Native Hawaiian. Race categories exclude Hispanic origin. Prior to 2011, students in the “two or more races” category were categorized as “unclassified”. The NAEP Science scale ranges from 0 to 300. Some apparent differences between estimates may not be statistically significant.
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2009 Science Assessment.

 

Table 7.

 

Average Scale Scores for Science, Grade 12 by All Students [TOTAL], Gender [GENDER], Year, Jurisdiction and Computer at Home [B017101]: 2009
Year Jurisdiction Computer at home All students
Gender
Male Female
Average scale score Standard Error Average scale score Standard Error
2009 National public Yes 154 (0.9) 148 (1.0)
    No 128 (3.1) 125 (2.5)
   

NOTE: The NAEP Science scale ranges from 0 to 300. Some apparent differences between estimates may not be statistically significant.
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2009 Science Assessment.

 

 

 

Table 8.

Model 1 Regression Multiple Correlation R Squared, SES, Gender, Computer Access at Home

 

2009 NAEP Science Grade 12

Multiple Correlation 0.34      
R Squared 0.11      
Degrees of Freedom Mean Square F Ratio P Value
Model 4 98683531.97 69.45 0
Error 2148.68 1421015.15
  Standardized Regression Coefficients S.E. of
Standardized
Coefficients
Regression
Coefficients
S.E. of
Regression
Coefficients
T Statistic Probability Significance
Intercept 0 0 137.4705 1.0515 130.7337 0 >
Gender
Female -0.0741 0.0122 -5.1977 0.8594 -6.0478 0 <
National School Lunch Program eligibility
Not Eligible 0.2933 0.0134 22.141 1.1017 20.0993 0 >
Information not available 0.0443 0.031 12.1428 8.0045 1.517 0.1731 =
Computer at home
No -0.1132 0.0147 -16.4675 2.2348 -7.3687 0 <
  Mean SD
Science 148.97 35.11
Percentage SD
Gender
Female 51 50
NSLP eligibility
Not eligible 68 46
Information not available 2 13
Computer at home
No 6 24

NOTE: Dependent Variable: Overall science scale
Independent Variable(s): Gender [GENDER] , National School Lunch Program eligibility, 3 categories [SLUNCH3] , Computer at home [B017101]. Contrast Coding Reference Group: Male; Eligible; Yes  National public: A 0-1 contrast coding has been used where the first subgroup of the (independent) variable is the reference group. Except for the reference group, each subgroup is contrasted (code 1) in a separate dummy variable against all the other subgroups of the variable (code 0).

SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2009 Science Assessment.

 

Table 9.

 

Parameter Estimates, Significance Test for Gender, SES & Computer Access at Home

Variable Regression Coefficients Std. Error T Statistic P value
Intercept 137.471 1.052 130.734 <.001
Gender (Female) -5.198 0.859 -6.048 <.001
Lunch (Not eligible) 22.144 1.102 20.093 <.001
Computer access (No) -16.468 2.235 -7.369 <.001
NOTE: A 0-1 contrast coding has been used where the first subgroup of the (independent) variable is the reference group. Except for the reference group, each subgroup is contrasted (code 1) in a separate dummy variable against all the other subgroups of the variable (code 0). For more details about contrast coding with multiple variables see the help documentation.
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics (NCES), National Assessment of Educational Progress (NAEP), 2009 Science Assessment.

 

 

Table 10.

 

Model 2 Regression Multiple Correlation R Squared, Race, Gender, Computer Access at Home

2009 NAEP Science Grade 12
Multiple Correlation 0.43
R Squared 0.18
Degrees of  Freedom   Mean square F Ratio P Value
Model 8 78363081.71 115.07 0
Error 4142.64 681000.5

 

Standardized
Regression
Coefficients
S.E. of
Standardized
Coefficients
Regression
Coefficients
S.E. of
Regression
Coefficients
T Statistic Probability Sig.
Intercept 0 0 163.1745 0.8315 196.2367 0 >
Gender
Female -0.0837 0.0116 -5.8679 0.8135 -7.2133 0 <
Race/ethnicity
Black -0.3271 0.0138 -33.3953 1.3845 -24.121 0 <
Hispanic -0.2856 0.0141 -24.1741 1.1805 -20.4784 0 <
Asian/Pacific Islander 0.0242 0.0255 3.4369 3.4997 0.982 0.3455 =
American Indian/Alaska Native -0.0303 0.0104 -13.5173 4.6878 -2.8835 0.0064 <
More than one -0.033 0.0122 -5.739 2.1382 -2.684 0.0093 <
Unclassified -0.007 0.0114 -17.3121 23.6631 -0.7316 0.4972 =
Computer at home
No -0.1127 0.0134 -16.3919 2.0535 -7.9824 0 <
Mean SD
Science 148.97 35.11

 

Percentage SD
Gender
Female 51 50
Race/ethnicity allowing multiple responses, student-reported
Black 14 34
Hispanic 22 41
Asian/Pacific Islander 7 25
American Indian/Alaska Native 1 8
Computer at home
No 6 24
NOTE:  A 0-1 contrast coding has been used where the first subgroup of the independent variable is the reference group. Except for the reference group, each subgroup is contrasted (code 1) in a separate dummy variable against all the other subgroups of the variable (code 0).

SOURCE:  U.S. Dept. of Education, IES, NCES, NAEP 2009 Science Assessment.

 

 

Table 11.

 

Parameter Estimates, Significance Test for Gender, Race and Computer Access

Variable Regression Coefficients Std. Error T Statistic P value 
Intercept 163.175 0.8325 196.237 <.001
Gender (Female) -5.868 0.814 -7.213 <.001
Race (Black) -33.395 1.385 -24.121 <.001
Race (Hispanic) -24.174 1.181 -20.478 <.001
Race (Asian/Pacific Islander) 3.437 3.499 0.982 .346
Race (American Indian/Alaska Native) -13.517 4.688 -2.884 .006
Computer Access (No) -16.392 2.054 -7.982 <.001
NOTE: A 0-1 contrast coding has been used where the first subgroup of the (independent) variable is the reference group. Except for the reference group, each subgroup is contrasted (code 1) in a separate dummy variable against all the other subgroups of the variable (code 0). For more details about contrast coding with multiple variables see the help documentation.
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics (NCES), National Assessment of Educational Progress (NAEP), 2009 Science Assessment.

 

Appendix A

 

 

Table A1.

 

Average Scale Scores for Science, Grade 12 by All Students [TOTAL], Year and Jurisdiction: 2009  
   
Year Jurisdiction All students  
Average scale score Standard Error
2009 National public 149 (0.9)
   

NOTE: The NAEP Science scale ranges from 0 to 300. Some apparent differences between estimates may not be statistically significant.
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2009 Science Assessment.

 

 

Table A2.

 

Science, Grade 12 Difference in Average Scale Scores Between Variables, for Computer at Home [B017101] National Public, 2009, Cross Tabulation

  Yes No
Yes >
Diff = 24
P-value = 0.0000
No <
Diff = -24
P-value = 0.0000
LEGEND:
< Significantly lower.
> Significantly higher.
X No significant difference.
NOTE: All comparisons are independent tests with an alpha level of 0.05 adjusted for multiple pairwise comparisons according to the False Discovery Rate procedure. For comparisons between two jurisdictions, a dependent test is performed for cases where one jurisdiction is contained in the other. For more detailed information about the procedures and family sizes please see the Help document.
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2009 Science Assessment.

 

 

Table A3.

 

Science, grade 12, Difference in Average Scale Scores Between Variables, for National School Lunch Program Eligibility, 2 Categories [SLUNCH3] by Computer at Home [B017101]
National Public, 2009
  Eligible

Yes
(134)

Eligible

No
(123)

Not eligible

Yes
(157)

Not eligible

No
(132)

Eligible

Yes
(134)

>

Diff = 10

P-value = 0.0001

Family size = 6

<

Diff = -23

P-value = 0.0000

Family size = 6

x

Diff = 2

P-value = 0.6478

Family size = 6

Eligible

No
(123)

<

Diff = -10

P-value = 0.0001

Family size = 6

<

Diff = -34

P-value = 0.0000

Family size = 6

x

Diff = -9

P-value = 0.0456

Family size = 6

Not eligible

Yes
(157)

>

Diff = 23

P-value = 0.0000

Family size = 6

>

Diff = 34

P-value = 0.0000

Family size = 6

>

Diff = 25

P-value = 0.0000

Family size = 6

Not eligible

No
(132)

x

Diff = -2

P-value = 0.6478

Family size = 6

x

Diff = 9

P-value = 0.0456

Family size = 6

<

Diff = -25

P-value = 0.0000

Family size = 6

LEGEND:
< Significantly lower. > Significantly higher. X No significant difference.

NOTE: All comparisons are independent tests with an alpha level of 0.05 adjusted for multiple pairwise comparisons according to the False Discovery Rate procedure. For comparisons between two jurisdictions, a dependent test is performed for cases where one jurisdiction is contained in the other. For more detailed information about the procedures and family sizes please see the Help document.

SOURCE: U.S. Department of Education, Institute of Education Sciences, National Assessment of Educational Progress (NAEP), 2009 Science Assessment.

Table A4.

 

Science, Grade 12, Difference in Average Scale Scores Between Variables, For Computer at Home [B017101] by Parental Education Level, From 2 Questions [PARED]
National Public, 2009

  Yes

Did not finish high school
(133)

Yes

Graduated high school
(139)

Yes

Some education after high school
(148)

Yes

Graduated college
(161)

No

Did not finish high school
(121)

No

Graduated high school
(125)

No

Some education after high school
(132)

No

Graduated college
(137)

Yes

Did not finish high school
(133)

<

Diff = -6

P-value = 0.0014

Family size = 28

<

Diff = -15

P-value = 0.0000

Family size = 28

<

Diff = -28

P-value = 0.0000

Family size = 28

>

Diff = 12

P-value = 0.0156

Family size = 28

>

Diff = 9

P-value = 0.0274

Family size = 28

x

Diff = 1

P-value = 0.8521

Family size = 28

x

Diff = -3

P-value = 0.3091

Family size = 28

Yes

Graduated high school
(139)

>

Diff = 6

P-value = 0.0014

Family size = 28

<

Diff = -8

P-value = 0.0000

Family size = 28

<

Diff = -22

P-value = 0.0000

Family size = 28

>

Diff = 18

P-value = 0.0004

Family size = 28

>

Diff = 15

P-value = 0.0002

Family size = 28

x

Diff = 7

P-value = 0.1261

Family size = 28

x

Diff = 3

P-value = 0.4211

Family size = 28

Yes

Some education after high school
(148)

>

Diff = 15

P-value = 0.0000

Family size = 28

>

Diff = 8

P-value = 0.0000

Family size = 28

<

Diff = -14

P-value = 0.0000

Family size = 28

>

Diff = 26

P-value = 0.0000

Family size = 28

>

Diff = 23

P-value = 0.0000

Family size = 28

>

Diff = 15

P-value = 0.0034

Family size = 28

>

Diff = 11

P-value = 0.0010

Family size = 28

Yes

Graduated college
(161)

>

Diff = 28

P-value = 0.0000

Family size = 28

>

Diff = 22

P-value = 0.0000

Family size = 28

>

Diff = 14

P-value = 0.0000

Family size = 28

>

Diff = 40

P-value = 0.0000

Family size = 28

>

Diff = 37

P-value = 0.0000

Family size = 28

>

Diff = 29

P-value = 0.0000

Family size = 28

>

Diff = 25

P-value = 0.0000

Family size = 28

No

Did not finish high school
(121)

<

Diff = -12

P-value = 0.0156

Family size = 28

<

Diff = -18

P-value = 0.0004

Family size = 28

<

Diff = -26

P-value = 0.0000

Family size = 28

<

Diff = -40

P-value = 0.0000

Family size = 28

x

Diff = -3

P-value = 0.5598

Family size = 28

x

Diff = -11

P-value = 0.0761

Family size = 28

<

Diff = -15

P-value = 0.0065

Family size = 28

No

Graduated high school
(125)

<

Diff = -9

P-value = 0.0274

Family size = 28

<

Diff = -15

P-value = 0.0002

Family size = 28

<

Diff = -23

P-value = 0.0000

Family size = 28

<

Diff = -37

P-value = 0.0000

Family size = 28

X

Diff = 3

P-value = 0.5598

Family size = 28

x

Diff = -8

P-value = 0.1599

Family size = 28

<

Diff = -12

P-value = 0.0118

Family size = 28

No

Some education after high school
(132)

x

Diff = -1

P-value = 0.8521

Family size = 28

x

Diff = -7

P-value = 0.1261

Family size = 28

<

Diff = -15

P-value = 0.0034

Family size = 28

<

Diff = -29

P-value = 0.0000

Family size = 28

X

Diff = 11

P-value = 0.0761

Family size = 28

x

Diff = 8

P-value = 0.1599

Family size = 28

x

Diff = -4

P-value = 0.4086

Family size = 28

No

Graduated college
(137)

x

Diff = 3

P-value = 0.3091

Family size = 28

x

Diff = -3

P-value = 0.4211

Family size = 28

<

Diff = -11

P-value = 0.0010

Family size = 28

<

Diff = -25

P-value = 0.0000

Family size = 28

>

Diff = 15

P-value = 0.0065

Family size = 28

>

Diff = 12

P-value = 0.0118

Family size = 28

x

Diff = 4

P-value = 0.4086

Family size = 28

LEGEND:
< Significantly lower.
> Significantly higher.
x No significant difference.
NOTE: Within country comparisons on any given year are dependent with an alpha level of 0.05.

NOTE: The NAEP Science scale ranges from 0 to 300. Some apparent differences between estimates may not be statistically significant.
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2009 Science Assessment.

 

Table A5.

 

Science, grade 12, Difference in average scale scores between variables, for computer at home [B017101] by race/ethnicity used to report trends, school-reported [SDRACE]National public, 2009

  Yes

White
(160)

Yes

Black
(126)

Yes

Hispanic
(135)

  No

White
(138)

No

Black
(113)

No

Hispanic
(121)

   
Yes

White
(160)

>

Diff = 33

P-value = 0.0000

Family size = 21

>

Diff = 25

P-value = 0.0000

Family size = 21

>

Diff = 21

P-value = 0.0000

Family size = 21

>

Diff = 46

P-value = 0.0000

Family size = 21

>

Diff = 38

P-value = 0.0000

Family size = 21

Yes

Black
(126)

<

Diff = -33

P-value = 0.0000

Family size = 21

<

Diff = -9

P-value = 0.0000

Family size = 21

<

Diff = -12

P-value = 0.0001

Family size = 21

>

Diff = 13

P-value = 0.0011

Family size = 21

x

Diff = 5

P-value = 0.1413

Family size = 21

Yes

Hispanic
(135)

<

Diff = -25

P-value = 0.0000

Family size = 21

>

Diff = 9

P-value = 0.0000

Family size = 21

x

Diff = -3

P-value = 0.2178

Family size = 21

>

Diff = 21

P-value = 0.0000

Family size = 21

>

Diff = 14

P-value = 0.0001

Family size = 21

Yes

Asian/Pacific Islander
(165)

x

Diff = 5

P-value = 0.1708

Family size = 21

>

Diff = 38

P-value = 0.0000

Family size = 21

>

Diff = 30

P-value = 0.0000

Family size = 21

>

Diff = 26

P-value = 0.0000

Family size = 21

>

Diff = 51

P-value = 0.0000

Family size = 21

>

Diff = 43

P-value = 0.0000

Family size = 21

No

White
(138)

<

Diff = -21

P-value = 0.0000

Family size = 21

>

Diff = 12

P-value = 0.0001

Family size = 21

x

Diff = 3

P-value = 0.2178

Family size = 21

>

Diff = 25

P-value = 0.0000

Family size = 21

>

Diff = 17

P-value = 0.0000

Family size = 21

No

Black
(113)

<

Diff = -46

P-value = 0.0000

Family size = 21

<

Diff = -13

P-value = 0.0011

Family size = 21

<

Diff = -21

P-value = 0.0000

Family size = 21

<

Diff = -51

P-value = 0.0000

Family size = 21

<

Diff = -25

P-value = 0.0000

Family size = 21

x

Diff = -8

P-value = 0.0857

Family size = 21

No

Hispanic
(121)

<

Diff = -38

P-value = 0.0000

Family size = 21

x

Diff = -5

P-value = 0.1413

Family size = 21

<

Diff = -14

P-value = 0.0001

Family size = 21

<

Diff = -43

P-value = 0.0000

Family size = 21

<

Diff = -17

P-value = 0.0000

Family size = 21

x

Diff = 8

P-value = 0.0857

Family size = 21

LEGEND:
< Significantly lower.
> Significantly higher.
X No significant difference.
‡ Reporting standards not met.
NOTE: Black includes African American, Hispanic includes Latino, and Pacific Islander includes Native Hawaiian. Race categories exclude Hispanic origin. The NAEP Science scale ranges from 0 to 300. Some apparent differences between estimates may not be statistically significant.
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2009 Science Assessment.

 

Table A6.

 

Science, Grade 12, Difference in Average Scale Scores Between Variables, for Computer at Home [B017101] by All Students [TOTAL] by Gender [GENDER]
National Public, 2009

  Yes

All students

Male

(154)

Yes

All students

Female

(148)

No

All students

Male

(128)

No

All students

Female

(125)

Yes

All students

Male

(154)

>

Diff = 6

P-value = 0.0000

Family size = 6

>

Diff = 25

P-value = 0.0000

Family size = 6

>

Diff = 29

P-value = 0.0000

Family size = 6

Yes

All students

Female

(148)

<

Diff = -6

P-value = 0.0000

Family size = 6

>

Diff = 19

P-value = 0.0000

Family size = 6

>

Diff = 23

P-value = 0.0000

Family size = 6

No

All students

Male

(128)

<

Diff = -25

P-value = 0.0000

Family size = 6

<

Diff = -19

P-value = 0.0000

Family size = 6

x

Diff = 3

P-value = 0.4029

Family size = 6

No

All students

Female

(125)

<

Diff = -29

P-value = 0.0000

Family size = 6

<

Diff = -23

P-value = 0.0000

Family size = 6

x

Diff = -3

P-value = 0.4029

Family size = 6

LEGEND:
< Significantly lower.
> Significantly higher.
X No significant difference.
NOTE: All comparisons are independent tests with an alpha level of 0.05 adjusted for multiple pairwise comparisons according to the False Discovery Rate procedure. For comparisons between two jurisdictions, a dependent test is performed for cases where one jurisdiction is contained in the other.

 

Appendix B

Table B1.

Results Summary

Variable Measure Identification Definition Scale of Measurement Result
Computer at Home CompHome Do you have a computer at home? Yes, No Significant
National School Lunch Program SES Identification of lunch eligibility for grade 12 students participating in the 2009 NAEP assessments Eligible,

Not Eligible

Significant
Parental Education Level PARED Highest level achieved by either parent Did not finish high school, Graduated high school, Some education after high school, Graduated college, Unknown Significant
Race RACE Identification of race for grade 12 students participating in the 2009 NAEP assessments Black, Hispanic, White Significant
Gender SEX Identification of gender for grade 12 students participating in the 2009 NAEP assessments Male, Female Significant
Note:  Criteria, measures, jurisdiction, and variable information from NAEP NDE (2011).
Source: http://nces.ed.gov.nationsreportcard/hstsdata

 

Table B2.

Average Score Summary of Students by Access to a Computer at Home

2009 NAEP Grade12 Scores  
Variable Group Mean Standard error P value
Asian 165 3.4 <.171
Parent Graduated College 161 0.80 <.001
White 160 0.70 <.001
High SES 157 0.80 <.001
Male 154 0.90 <.001
All groups in study 147 1.00 <.001
*National Average w/ & w/o** 149 (150) 1.00 <.000
Female 148 1.00 <.001
American In./Alaska Native 144 4.68 <.006
Hispanic 135 1.30 <.001
Low SES 134 2.40 <.001
Parent Did Not Graduate High School 133 1.40 <.001
Black 126 1.40 <.001
* Note: U.S. National Public School Student Average grade 12 science score

** Source:  NAEP 2009

Table B3.

 

Average Scale Scores for Science, Grade 12 by National School Lunch Program Eligibility, 3 Categories [SLUNCH3], Year and Jurisdiction: 2009

Year Jurisdiction Eligible Not eligible Information not available
Average scale score Standard Error Average scale score Standard Error Average scale score Standard Error
2009 National public 132 (1.0) 156 (0.9) 145 (7.8)
   

NOTE: The NAEP Science scale ranges from 0 to 300. Some apparent differences between estimates may not be statistically significant.
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2009 Science Assessment.

 

Table B4.

 

Average Scale Scores for Science, Grade 12 by Parental Education Level, From 2 Questions [PARED], Year and Jurisdiction: 2009

Year Jurisdiction Did not finish high school
Average scale score
Did not finish high school
Standard error
Graduated high school
Average scale score
Graduated high school
Standard error
Graduated college
Average scale score
Graduated college
Standard error
2009 National public 131 (1.4) 138 (1.2) 160 (0.8)
   

NOTE: The NAEP Science scale ranges from 0 to 300. Some apparent differences between estimates may not be statistically significant.
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2009 Science Assessment.

 

 

 

Table B5.

 

Average Scale Scores for Science, Grade 12 by Race/Ethnicity Used to Report Trends, School-Reported [SDRACE], Year and Jurisdiction: 2009

Year Jurisdiction White Black Hispanic Asian/Pacific Islander American Indian/Alaska Native Two or more races
Average scale score Standard Error Average scale score Standard Error Average scale score Standard Error Average scale score Standard Error Average scale score Standard Error Average scale score Standard Error
2009 National public 159 (0.7) 124 (1.3) 133 (1.3) 164 (3.3) 144 (3.7) 144 (3.9)
   
   

NOTE: Black includes African American, Hispanic includes Latino, and Pacific Islander includes Native Hawaiian. Race categories exclude Hispanic origin. Prior to 2011, students in the “two or more races” category were categorized as “unclassified”. The NAEP Science scale ranges from 0 to 300. Some apparent differences between estimates may not be statistically significant.
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2009 Science Assessment.

 

 

Table B6.

.

Average Scale Scores for Science, Grade 12 by Gender [GENDER], Year and Jurisdiction: 2009
 
Year Jurisdiction Male Female
Average scale score Standard Error Average scale score Standard Error
2009 National public 152 (1.0) 146 (1.0)
   

NOTE: The NAEP Science scale ranges from 0 to 300. Some apparent differences between estimates may not be statistically significant.
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2009 Science Assessment.