Claims

Students using the developed learning material produced higher-marked exposition essays than control students across four writing projects

Claim · All claims
Evidence · 1 study · causal r1 · q2
Currency · newest study 2018 · 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? Average marks from the portfolio of submitted essays were higher in the experimental class (M=86.04±6.89) than in the control class (M=78.60±5.42). → Silaban et al. 2018

Evidence

Silaban et al. 2018

Wenny Silaban, Biner Ambarita & Usman Hadi. (2018). The Development and Implementation of Learning Material on Exposition Text to Improve Students' Achievement on Bahasa Indonesia. International Education Studies, 11(11). https://doi.org/10.5539/ies.v11n11p53

q2 · i? · causal · r1

Writing performance was assessed from a mark portfolio of four submitted essays, scored with a standardized rubric covering contents, language, and format. The article reports the portfolio averages "M=86.04±6.89" versus "M=78.60±5.42"; no test statistic or effect size is printed.

"The results showed that the average marks in experimental class (M=86.04±6.89) are higher than that achieved in control class (M=78.60±5.42)."

Discussion

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