Gaps and Changes in Gaps between Selected Groups - Idaho
Mathematics, Grades 4 and 8, 2003-2005-2007
 
NAEP Reading Grade 4, 2007, 2005 and 2003
 Average Scale Score (with Standard Errors in Parentheses) - Idaho
 

Grade 4: Gap between Male and Female
 
  Male Female  
  Average Scale Score Average Scale Score Difference
2007 241.6 (0.8) 240.2 (0.9) 1.4 (1.2)
2005 242.5 (1.0) 240.8 (0.7) 1.7 (1.2)
2003 236.6 (0.8) 233.2 (0.9) 3.4 (1.2)
From 2005 to 2007, the change in the gap was 0(1.7), which does not represent a significant difference between the two years.
From 2003 to 2007, the change in the gap was 2(1.7), which does not represent a significant difference between the two years.

Grade 4: Gap between White and Hispanic (Race/ethnicity used in NAEP reports after 2001)
 
  White Hispanic  
  Average Scale Score Average Scale Score Difference
2007 244.5 (0.8) 223.9 (1.6) 20.6 (1.8)
2005 244.5 (0.8) 225.5 (1.9) 19.0 (2.0)
2003 237.9 (0.6) 217.2 (1.6) 20.7 (1.7)
From 2005 to 2007, the change in the gap was 2(2.7), which does not represent a significant difference between the two years.
From 2003 to 2007, the change in the gap was 0(2.5), which does not represent a significant difference between the two years.

Grade 4: Gap between Not eligible and Eligible for Free/Reduced-Price Lunch
 
  Not eligible Eligible  
  Average Scale Score Average Scale Score Difference
2007 248.0 (0.9) 231.6 (0.9) 16.4 (1.3)
2005 247.7 (0.9) 233.6 (1.0) 14.1 (1.4)
2003 240.9 (0.8) 226.8 (0.9) 14.1 (1.2)
From 2005 to 2007, the change in the gap was 2(1.9), which does not represent a significant difference between the two years.
From 2003 to 2007, the change in the gap was 2(1.8), which does not represent a significant difference between the two years.

Grade 4: Gap between 75th and 25th Percentile
 
  75th 25th Percentile  
  Scale Score Scale Score Difference
2007 259.4 (1.3) 224.2 (1.1) 35.2 (1.7)
2005 259.2 (1.1) 225.7 (1.4) 33.4 (1.8)
2003 253.0 (1.0) 218.5 (0.9) 34.5 (1.4)
From 2005 to 2007, the change in the gap was 2(2.5), which does not represent a significant difference between the two years.
From 2003 to 2007, the change in the gap was 1(2.2), which does not represent a significant difference between the two years.

Note: Score differences are calculated based on differences between unrounded average scale scores. In this table, significance tests were carried out for all changes in gaps. All other observed differences are not necessarily statistically significant.  SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2007, 2005 and 2003 Mathematics Assessments.

 

NAEP Reading Grade 8, 2007, 2005 and 2003
 Average Scale Score (with Standard Errors in Parentheses) - Idaho
 

Grade 8: Gap between Male and Female
 
  Male Female  
  Average Scale Score Average Scale Score Difference
2007 285.0 (1.0) 282.1 (1.1) 2.9 (1.5)
2005 280.3 (1.4) 281.6 (1.1) -1.3 (1.8)
2003 280.5 (1.1) 279.3 (1.1) 1.2 (1.6)
From 2005 to 2007, the change in the gap was 4(2.4), which does not represent a significant difference between the two years.
From 2003 to 2007, the change in the gap was 2(2.2), which does not represent a significant difference between the two years.

Grade 8: Gap between White and Hispanic (Ethnicity reported after 2001)
 
  White Hispanic  
  Average Scale Score Average Scale Score Difference
2007 287.5 (0.9) 263.9 (2.3) 23.6 (2.5)
2005 284.0 (0.9) 260.8 (2.1) 23.3 (2.3)
2003 283.8 (0.8) 250.9 (2.8) 33.0 (2.9)
From 2005 to 2007, the change in the gap was 0(3.3), which does not represent a significant difference between the two years.
From 2003 to 2007, the change in the gap was 9(3.8), which does represent a significant difference between the two years.

Grade 8: Gap between Not eligible and Eligible for Free/Reduced-Price Lunch
 
  Not eligible Eligible  
  Average Scale Score Average Scale Score Difference
2007 290.1 (0.9) 272.6 (1.5) 17.5 (1.8)
2005 286.2 (1.1) 271.6 (1.3) 14.6 (1.7)
2003 287.0 (0.9) 267.1 (1.5) 19.9 (1.8)
From 2005 to 2007, the change in the gap was 3(2.4), which does not represent a significant difference between the two years.
From 2003 to 2007, the change in the gap was 2(2.5), which does not represent a significant difference between the two years.

Grade 8: Gap between 75th and 25th Percentile
 
  75th 25th Percentile  
  Scale Score Scale Score Difference
2007 307.9 (0.9) 261.8 (0.9) 46.1 (1.3)
2005 303.9 (0.9) 260.1 (1.7) 43.8 (1.9)
2003 302.0 (1.4) 259.4 (2.2) 42.6 (2.6)
From 2005 to 2007, the change in the gap was 2(2.3), which does not represent a significant difference between the two years.
From 2003 to 2007, the change in the gap was 3(2.9), which does not represent a significant difference between the two years.

Note: Score differences are calculated based on differences between unrounded average scale scores. In this table, significance tests were carried out for all changes in gaps. All other observed differences are not necessarily statistically significant.  SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2007, 2005 and 2003 Mathematics Assessments.

 

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