Scale Score, Grade 4 Science > Assessments statistics - states compared

DEFINITION
For each different subject, NAEP creates a scale score based on statistical procedures called item response theory (IRT). IRT is a set of statistical procedures useful in summarizing student performance across a collection of test exercises requiring similar knowledge and skills. All NAEP subject area scales are produced using these procedures. In Math and Reading, NAEP creates a scale ranging from 0-500. In Science and Writing, NAEP creates a scale ranging from 0-300.

Education Statistics > Assessments > Scale Score, Grade 4 Science (most recent) by state

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Legend:
	162	150	131

(No data)

Rank

States

Amount

# 1

Massachusetts:

162

# 2

Maine:

161

= 3

Iowa:

160

= 3

Montana:

160

= 3

North Dakota:

160

# 6

Vermont:

159

# 7

Wyoming:

158

# 8

Minnesota:

157

= 9

Connecticut:

156

= 9

Missouri:

156

= 9

Virginia:

156

= 12

Indiana:

155

= 12

Utah:

155

= 14

Michigan:

154

= 14

Ohio:

154

# 16

Idaho:

153

= 17

Kentucky:

152

= 17

Oklahoma:

152

# 19

Illinois:

151

= 20

West Virginia:

150

= 20

Oregon:

150

= 20

Nebraska:

150

# 23

New York:

149

= 24

North Carolina:

148

= 24

Rhode Island:

148

= 26

Texas:

147

= 26

Tennessee:

147

# 28

Maryland:

146

# 29

Arkansas:

144

= 30

Alabama:

143

= 30

Georgia:

143

# 32

Nevada:

142

= 33

Arizona:

141

= 33

South Carolina:

141

# 35

Louisiana:

139

# 36

New Mexico:

138

# 37

Hawaii:

136

# 38

Mississippi:

133

# 39

California:

131

Weighted average:

149.7

DEFINITION: For each different subject, NAEP creates a scale score based on statistical procedures called item response theory (IRT). IRT is a set of statistical procedures useful in summarizing student performance across a collection of test exercises requiring similar knowledge and skills. All NAEP subject area scales are produced using these procedures. In Math and Reading, NAEP creates a scale ranging from 0-500. In Science and Writing, NAEP creates a scale ranging from 0-300.

Education Statistics > Assessments > Scale Score, Grade 4 Science (most recent) by state

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