Claims

After the pilot study the control group still scored higher on the VKS, but the gap between the groups narrowed

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

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.

q2 i? At the end of the pilot study the control group retained a higher VKS average (111.63), while the difference between group averages fell from 31.86 to 21.45 points. → Unterrainer 2012

Evidence

Unterrainer 2012

Unterrainer, Eva Maria. (2012). Mobile Learning in Foreign Language Learning: Podcasts and Lexicon Acquisition in the Elementary Instruction of Italian. In L. Bradley & S. Thouësny (Eds.), CALL: Using, Learning, Knowing, EUROCALL Conference, Gothenburg, Sweden, 22-25 August 2012, Proceedings. https://eric.ed.gov/?id=ED574913

q2 · i? · causal · r1

End-of-pilot vocabulary test (end of January 2012) in the same two-group design. The printed averages are descriptive; the article reports no significance test for the post-test comparison, so the narrowing is untested.

"After the pilot study*, the control group has still a higher average value (111.63), however, the gap between the two groups has reduced from an average of 31.86 to 21.45."

Discussion

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