Claims

Brainstorming instruction improved each creative-thinking skill — fluency, flexibility and originality — on the posttest

Claim · All claims
Evidence · 1 study · causal r1 · q2
Currency · newest study 2019 · 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? Posttest differences favored the experimental group on fluency (T = 3.816), flexibility (T = 3.892) and originality (T = 3.943), each significant at 0.01. → Al Masri 2019

Evidence

Al Masri 2019

Al Masri, A. (2019). The Impact of Using Brainstorming in the Development of Creative Thinking and Achievement in the English Language of the 10th Grade Students at King Abdullah II Schools of Excellence in Amman. International Education Studies, 12(2). https://doi.org/10.5539/ies.v12n2p82

q2 · i? · causal · r1

Independent-samples T tests on the three creative-thinking subskills in the same 84-versus-84 comparison. Table 4 prints posttest means of 56.356 vs 42.023 (fluency), 32.951 vs 22.116 (flexibility) and 7.285 vs 1.713 (originality), each "Statistical significant at 0.01"; differences were "in favor of the experimental group".

"Table 4 shows that the calculated value of “T” is greater than the tabular “T” value of all the dimensions, and the total score of the post-test is statistical at the level of significance ( α≤0.05, α≤0.01), this indicates that there are statistically significant differences between the experimental group and the control group."

Discussion

Learner Variables

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