pooled SD X X d 2 1 − = | 52.1 - 57.1| = (15.1 + 16.4) / 2* *ඪຊαΠζ͕ҟͳΔͱ͖ɺSDpooled ͷܭࢉ͏গ͠ෳࡶʹͳΓ·͢ Group A Group B ฏۉ 52.1 57.1 ඪ४ภࠩ 15.1 16.4 Cohen’s d
1 2 2 2 1 2 1 − + − = n SD SD X X t *2܈Ͱ n ͕ҟͳΔͱ͖ͷܭࢉ ͏গ͠ෳࡶʹͳΓ·͢ * | 52.1-57.1| = √(15.12 + 16.42) / (30 - 1) ܭࢉͯ͠ΈΑ͏ Group A Group B ฏۉ 52.1 57.1 ඪ४ภࠩ 15.1 16.4
• Must-read: • Navarro, D. J., & Foxcroft, D. R. (2019). Learning statistics with jamovi: A tutorial for psychology students and other beginners. (Version 0.70). DOI: 10.24384/hgc3-7p15 • ຊޠ༁͋Γ·͢: • ࣳా࢘༁. jamoviͰֶͿ৺ཧ౷ܭ. https://bookdown.org/sbtseiji/lswjamoviJ/