when should the effect size be negative which condition is affected when the control group loses more weight than the experimental group? which direction of effect size should my effect size be positive or negative? why is the effect of weight gain on weight gain negative why is the effect size negative is weight gain a positive or negative effect how does effect size change between experimental and control groups what is effect size when control group loses weight what is positive effect size which is negative for effect size what is the effect size of weight gain on a group? effect size on weight gain when the control group has less weight than the experimental group, the effect size should be positive or negative which direction do weight gain affect weight gain what is the difference in effect size between control and experimental effect size definition which direction of action is positive if the control group gain more weight than the experimental group? what is the effect of weight gain on weight why should effect size be negative in weight analysis effect size is positive or negative