Question: Freitas, El-Hani, and da Rocha (2008) tested the hypothesis that rodent species (four different species) and sex (male, female) influence the level of affiliation acquired

Freitas, El-Hani, and da Rocha (2008) tested the hypothesis that rodent species (four different species) and sex (male, female) influence the level of affiliation acquired through social behavior. They measured the number of social behaviors exhibited by each rodent during a social encounter. As part of their study, they reported the following: Hypothesis test was performed by means of a [factorial] two-way ANOVA. The test was able to detect significant differences only among species, not among sexes. (Freitas et al., 2008, p. 389)
(a) Is a significant main effect or interaction evident in this study and, if so, for which factor?
(b) What is the appropriate next step?

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