Claims

Non-verbal communication gains persisted at a two-month follow-up, with no statistically significant decline from post-test

Claim · All claims
Evidence · 1 study · causal r1 · q2
Currency · newest study 2015 · 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? Wilcoxon comparison of experimental-group scores from post-test to the two-month follow-up showed no statistically significant difference (Z = -0.272), which the authors interpret as retention of trained skills. → Alshurman and Alsreaa 2015

Evidence

Alshurman and Alsreaa 2015

Wael Alshurman, Ihsani Alsreaa. (2015). The Efficiency of Peer Teaching of Developing Non Verbal Communication to Children with Autism Spectrum Disorder (ASD). Journal of Education and Practice, Vol.6, No.29. https://eric.ed.gov/?id=EJ1081260

q2 · i? · causal · r1

Wilcoxon test for related pairs on the experimental group's scores from post measurement to two-month follow-up. Table (3) prints Z = -0.272, marked Not significant; the authors read this as the program effect persisting after training ended.

"Table (3) showed no statistically significant diffe rences between experimental and control groups mea n scores on non – verbal communication scale at (2) m onths follow – up trial where z value was not signi ficant, indicating the existence of program effect after two months of training."

Discussion

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