Please explain

A clinical psychologist tested the effect of environment (home vs school) and age group (under 18 vs over 18) on how much self-compassion people feel for themselves. They graphed their study's results using a bar graph. - Under 18 Over 18 Self-Com passion Home School What types of effects do the results shown in the bar graph indicate may be present? Select all that apply: C] A) A main effect of environment C] B) A main effect of age group C] C) An interaction between environment and age group A health psychologist was interested in whether hours of sleep deprivation (zero vs one vs two) and consumption of caffeine (caffeine vs no caffeine) have an effect on people's mental alertness. They graphed their study's results using a line graph. What types of effects do the results shown in the line graph indicate may be present? Select all that apply: C] A) A main effect of hours of sleep deprivation C] B) A main effect of consumption of caffeine C] C) An interaction between sleep deprivation and caffeine Which of the following is true about a 3x2 Between-Subjects, One-Way ANOVA? Q There are three explanatory variables, each with two levels. 0 There are two explanatory variables; EV1 has three levels and EV2 has two levels. 0 There are two explanatory variables, each with three levels. 0 There is no way to tell the number of explanatory variables and their levels from this notation