Table 1 Effect sizes and P-values for significant terms in each model for the Development experiment (for specific P-values see text)

From: Genetic variation in social environment construction influences the development of aggressive behavior in Drosophila melanogaster

Development experiment

Day 1 predictors

Day 2 predictors

Genotype effects

Model

Question

Response variable

Preferred or unpreferred

Group size

Focal male aggression

Stimulus male attacks on focal day 1

Focal male presence on patch day 1

Stimulus male attacks on focal day 2

Focal male presence on patch day 2

Effects of focal male genotype: direct or indirect genetic effects

1

Do preference and/or aggression determine social experience?

Stimulus males attacks on focal day 1

0.34*

NS

0.052*

 

NS (P=0.051)

NA

NA

Indirect genetic effect*

2

Is focal male experience caused by focal male aggression?

Focal male aggression day 1

NS

NS

 

0.18**

NA

NA

NA

Direct genetic effect**

3

Does experience affect behavioral development?

Focal male aggression day 2

NS

NS

NS

0.18*

NA

0.15*

0.0002*

Direct genetic effect*

  1. *P<0.05 and **P<0.0001.