Haves, Halves, and Have-Nots: School Libraries and Student Achievement in California

were found at the elementary and middle school levels, and the middle school and high school
levels in New Mexico (Lance et al., 2002) . Table 10 summarizes the results.
Table 10
State Test Scores and Collaboration.: Bivariate Correlations
State Grade Correlation r p
Colorado (Lance, et al., 2000a) 3 Collaboration .1981 .015
Minnesota (Baxter & Smalley, 2003) 5 Planning w/Teachers .078* .039
Colorado (Lance, et al., 2000a) 4 Collaboration .176 *,a .025
Iowa (Rodney et al., 2002) 4 Co-Teaching .129 t .049
Iowa (Rodney et al., 2002) 4 Planning w/Teachers .144 t .032
Michigan (Rodney et al., 2003) 4 Planning w/Teachers .153 t <.05
Minnesota (Baxter & Smalley, 2003) 5 Planning w/Teachers .078* .039
Colorado (Lance, et al., 2000a) 7 Collaboration .2051 .039
Michigan (Rodney et al., 2003) 7 Co-Teaching .170 t <.05
Michigan (Rodney et al., 2003) 7 Planning w/Teachers .158 tt <.01
New Mexicoa (Lance et al., 2002) 8 Planning w/Teachers .295* .023
Wisconsin (Smith, 2006) 8 Planning w/Teachers .146* .027
Wisconsina (Smith, 2006) 8 Planning w/Teachers .210** .001
New Mexicoa (Lance et al., 2002) 10 Co-Teaching .265* .032
Note: Dependent variable for each correlation was state reading test scores unless otherwise indicated.
a. Dependent variable was the state language arts test.
* p <.05, two-tailed. ** p <.01, two-tailed t p <.05, one-tailed. ttp <.01, one-tailed.
In Illinois (2005), Lance et al., found some statistically significant correlations between
collaboration and test scores when controlling for school and community variables in partial

56

Achterman, Douglas L. Haves, Halves, and Have-Nots: School Libraries and Student Achievement in California. Denton, Texas. UNT Digital Library. http://digital.library.unt.edu/ark:/67531/metadc9800/. Accessed July 31, 2014.