1. The power of the t test increases with increases in N increases in the effect of the independent variable decreases in the sample variance(s) all of the other three options 2. Having just made what you feel is to be a Type 1] error, using an independent groups design and a t test analysis, which of the following might you do in the next experiment to reduce the probability of a Type 11 error? increase N change to a correlated groups design try to reduce the variance by better experimental contnol all of the other three options