Claims

Posttest writing means favored the discussion group descriptively but the difference was not statistically significant

Claim · All claims
Evidence · 1 study · causal r1 · q2
Currency · newest study 2016 · 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? Descriptive posttest means were 7.4 (SD 1.5) for the discussion group and 6.6 (SD 1.4) for the control group, which the authors read as not significantly different. → Khoshsima et al. 2016

Evidence

Khoshsima et al. 2016

Hooshang Khoshsima, Esmail Zare-Behtash, Mahboobeh Khosravani. (2016). Examining the Impact of Novel Pre-activity Tasks on Macroskills: The Case of Group Discussion on Writing Ability. Advances in Language and Literary Studies 7(1). https://doi.org/10.7575/aiac.alls.v.7n.1p.148

q2 · i? · causal · r1

Descriptive statistics from Table 4 of the same 16-session quasi-experiment: posttest means of 7.4 (SD 1.5) for the discussion group and 6.6 (SD 1.4) for the control group. These are descriptive means only; the inferential test appears in Table 5 and no effect size is printed.

"As mean score and standard deviation for discussion group are 7.4 and 1.5 and for control group are 6.6 and 1.4, it can be concluded that these groups are not significantly different as also shown in next table."

Discussion

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