Claims

All post-test means were significantly lower than the Tobacyk and Milford (1983) norms, with many pre-test means also lower.

Claim · All claims
Evidence · 1 study · causal r1 · q3 · i3 large
Currency · newest study 2013 · not yet checked against its sources · not reviewed by a person · overdue for a recheck since 2018: baselines and conditions change

Subclaims

Reading the evidence codes

q is the design tier, i the impact, n the sample, and the kind with its r the rigour judged within that kind: what each code means.

This claim: no standardized effect is recorded in observations/ for it yet, so no benchmark reading is possible.

q3 i3 All post-test means were significantly lower than Tobacyk and Milford norms; full-scale d = 1.47. → Franz 2013

Evidence

Franz 2013

Franz, T. M., & Green, K. H. (2013). The impact of an interdisciplinary learning community course on pseudoscientific reasoning in first-year science students. Journal of the Scholarship of Teaching and Learning, 13(5), 90–105. https://eric.ed.gov/?id=EJ1017127

q3 · i3 · causal · r1

One-sample t-tests comparing LC students (n = 43) to Tobacyk and Milford (1983) norms: full-scale post-test M = 2.34 vs. norm M = 3.07, Cohen's d = 1.47; the article notes "many of the pre-test means were also significantly lower".

"As Table 3 shows, all of the post-test means were significantly lower than the means from Tobacyk and Milford. Interestingly, many of the pre-test means were also significantly lower."

Discussion

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