β | SD | MIREDIF | Effect size | Calculations: N = 4 * (zα/2 + zβ)2 * (SD1/MIREDIF)2 # | N | |
---|---|---|---|---|---|---|
TEA original | 0.10 | 7.4 | 3.5 | 0.47 | N = 42 * (7.4 / 3.5) 2 | 188 |
TEA smaller MIREDIF | 0.10 | 7.4 | 2.0 | 0.27 | N = 42 * (7.4 / 2.0)2 | 575 |
TEA larger MIREDIF | 0.10 | 7.4 | 5.0 | 0.67 | N = 42 * (7.4 / 5.0)2 | 92 |
TEA larger SD | 0.10 | 10.0 | 3.5 | 0.35 | N = 42 * (10.0 / 3.5)2 | 343 |
TEA smaller SD | 0.10 | 5.7 | 3.5 | 0.61 | N = 42 * (5.7 / 3.5)2 | 111 |
TEA larger β | 0.20 | 7.4 | 3.5 | 0.47 | N = 31 * (7.4 / 3.5)2 | 139 |
TEA updated larger β, smaller SD, smaller MIREDIF | 0.20 | 5.7 | 3.0 | 0.53 | N = 31 * (5.7 / 3.0) 2 | 112 |