Haves, Halves, and Have-Nots: School Libraries and Student Achievement in California Page: 113
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Hol: Student Achievement and Certificated Staffing
The first research questioned examined was, "How does student achievement vary, if at
all, in relationship to the levels of certificated staffing in school library media programs?" The
null hypothesis Hol is that student achievement does not vary in relationship to the levels of
certificated staffing in school library media programs.
At the fourth grade level, there was a statistically significant but weak positive correlation
between certificated staffing levels and English Language Arts CST scores at r = .06 and p
<.001. When community and school independent variables were used as controls in partial
correlations, the strength of this association did not vary greatly; controlling for ethnicity
produced the strongest association at r= .11, p < .001, while the relationship when controlling
for parent education level was not statistically significant. See Table 22 for a summary of
Partial Correlation, Certificated Staff Hours, English Language Arts CST Scores, and School
and Community Variables, Grade 4
Parent Education Level .02
Free and Reduced Lunch .10**
Percentage English Learners .09**
Avg. Teacher Salary .04*
Percentage Fully Credentialed Teachers .06**
*p <.05, **p <.001.
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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/m1/127/: accessed November 17, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .