Which type of effect size do researchers commonly report for a factorial ANOVA?

Research has found that:

a. almost all male homosexuals were raised in homes with no male role models b. there are differences in brain structure between male homosexuals and male heterosexuals c. almost all male homosexuals were raised by passive fathers d. almost all male homosexuals were raised by domineering fathers

A statement describing the relationship between two or more events is called a

a. theory b. principle c. concept d. law