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Table 2 Statistical results for GLMs testing the influence of a. temperature treatment and sampling locality on the percentage of male offspring; and b. temperature treatment and sampling locality climate group on the percentage of male offspring

From: Variation in rates of spontaneous male production within the nematode species Pristionchus pacificus supports an adaptive role for males and outcrossing

a.
Factor Df F value P-value
Temperature 1 1.104 0.296
Sampling Locality 10 1.817 0.067
Temperature: Sampling Locality 5 4.918 <0.001 ***
b.
Factor Df F value P value
Temperature 1 0.977 0.325
Climate Group 3 0.751 0.524
Temperature: Climate Group 2 4.918 0.002 **
  1. In a. temperature treatment, sampling locality and their interaction are defined as fixed effects and strain is included as a nested random effect. In b. temperature treatment, sampling locality climate group and their interaction are defined as fixed effects and strain is included as a nested random effect. Significant effects are indicated by asterisks: *, ** and *** indicate significance at the p < 0.05, p < 0.01 and p < 0.001 level