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2018/7/24 -You'd have to take a closer look at the computation of the Mauchly-W for your case data to find out why it turns out to be zero. Now as ...

2015/9/11 -Mauchly's test tests whether the 17, 10.3, and 10.3 are all plausibly generated from a single true variance (the null hypothesis) rather than ...

Mauchly's sphericity test or Mauchly's W is a statistical test used to validate a repeated measures analysis of variance (ANOVA).

2012/8/6 -For whatever reason, whenever I run Mauchly's test of sphericity in SPSS, it gives me a Mauchly's W of 1.000, df 0, and Sig of . . Nothing ...

2023/9/28 -Mauchlyの統計量Wは0（球面性が成り立たない）〜1（完全に球面性OK）の値を取り、仮説が棄却された（P値が小さい）場合は球面性が成り立っていないと判断 ...

2020/4/15 -Degrees of freedom and approx Chi-square are 0, and everything else is 1 (Mauchly's W, Epsilon Greenhouse Geisser, Huynh-Feldt, Lower bound).

As just mentioned, Mauchly's Test of Sphericity is a formal way of testing the assumption of sphericity. ... Mauchly's Test of Sphericity tests the null ...

We now present Mauchly's test, a commonly used test to determine whether the sphericity assumption holds. Because of its lack of power, Mauchly's test is not ...

SPSS also produces a test known as Mauchly's test, which tests the hypothesis that the variances of the differences between conditions are equal. → If ...

4, 2. 7, 7, 6, 0, 1, 1. 7, 8, 6, -2, 1, 2. 6, 5, 3, 1, 3, 2. 5, 5, 5, 0, 0, 0 . . . Variance, 1.87, 2.17, 0.67 ... Mauchly's W, Chi square, DF, Sig. FACTOR 1 ...