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Table 2 Full and final linear mixed-effect models analysing variation in Pimephales promelas shoaling density

From: Paternal care effects outweigh gamete-mediated and personal environment effects during the transgenerational estimation of risk in fathead minnows

 

dfNumerator for fixed effects

dfDenominator for fixed effects

F for fixed effects, χ2 for random effects

P

Prestimulus shoaling density

 

Full model

  Risk treatment × paternal condition

11

148.372

0.772

0.667

  Risk treatment × maternal condition

11

140.796

1.268

0.249

  Risk treatment × average size in shoal

11

264.480

1.481

0.138

  Risk treatment × shoal homogeneity

11

264.351

1.373

0.185

  Paternal condition

1

50.328

4.988

0.030

  Maternal condition

1

45.140

0.000

0.988

  Average size in shoal

1

254.976

8.358

0.004

  Shoal homogeneity

1

280.986

11.717

< 0.001

  Risk treatment

11

195.375

1.595

0.103

  Family

  

42.265

< 0.001

  Final model

  Average size in shoal

1

272.430

5.012

0.026

  Shoal homogeneity

1

279.450

10.990

0.001

  Risk treatment

11

128.890

2.270

0.014

  Family

  

63.544

< 0.001

Change in shoaling density

Full model

  Risk treatment × paternal condition

11

281

1.447

0.152

  Risk treatment × maternal condition

11

281

1.729

0.067

  Risk treatment × average size in shoal

11

281

1.409

0.168

  Risk treatment × shoal homogeneity

11

281

0.481

0.915

  Paternal condition

1

281

0.079

0.779

  Maternal condition

1

281

2.513

0.114

  Average size in shoal

1

281

3.589

0.059

  Shoal homogeneity

1

281

13.711

< 0.001

  Risk treatment

11

281

1.722

0.068

  Family

  

< 0.001

1.000

 Final model

  Shoal homogeneity

1

281

9.033

0.003

  Risk treatment

11

281

2.911

0.001

  Family

  

< 0.001

1.000