The treatment groups showed no pre-existing differences on college GPA, high school GPA, class rank, or SAT scores¶

Claim · All claims
Evidence · 1 study · causal r1 · q2
Currency · newest study 2012 · not yet checked against its sources · not reviewed by a person

Subclaims¶

q2 i? T-tests on college GPA, high school GPA, high school class rank, and SAT scores found no differences between treatment groups, so the groups were considered equal at the start. → Curry 2012

Evidence¶

Curry 2012¶

Curry, Wilson, Flowers, & Farin. (2012). Scientific Basis vs. Contextualized Teaching and Learning: The Effect on the Achievement of Postsecondary Students. Journal of Agricultural Education. https://doi.org/10.5032/jae.2012.01057

q2 · i? · causal · r1

Covariate check in the quasi-experimental study: t-tests on college GPA (p=.61), high school GPA (p=.07), class rank (p=.08), and SAT (p=.49) showed no significant differences between the 16 experimental and 22 comparison participants. Only p-values were printed; no effect sizes.

"There were no differences in scores on any of the covariate variables between the treatment groups, so the groups were considered equal at the beginning of the study as seen in Table 1."

Discussion¶

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