Haves, Halves, and Have-Nots: School Libraries and Student Achievement in California Page: 150
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Summary of Hierarchical Regression Analysis for Variables Predicting English Language Arts
CST Scores, Grade 4
Variable B SE B
(Constant) 354.37 0.27 --
Community factor 23.15 0.27 .80**
School factor 23.15 0.27 .23**
(Constant) 354.36 0.27 --
Community factor 23.10 0.27 .80**
School factor 6.60 .27 .23**
Library factor 1.23 .28 .04**
Note: R2 = .69 for Step 1; AR2 =.002 for Step 2 (p <.001).
Grade 8 English Language Arts
Factor analysis with varimax rotation was again performed for the library, school and
community. Again, only factor loadings greater than .600 were considered for inclusion in
groupings, and only groupings with an eigenvalue of at least 1 were retained. For library
program elements, all variables loaded on a single factor accounting for 57.66% of the variance.
Budget loaded at .54 and was dropped. A second factor analysis accounted for 64.68% of the
variance with factor loadings indicated in Table 52.
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Achterman, Douglas L. Haves, Halves, and Have-Nots: School Libraries and Student Achievement in California, dissertation, December 2008; Denton, Texas. (digital.library.unt.edu/ark:/67531/metadc9800/m1/164/: accessed June 26, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .