The t?test can be characterized as a regression (linear) model if:
a. The outcome variable is categorical.
b. The groups have equal sample sizes.
c. The experimental groups are represented by a binary variable (i.e. coded 0
and 1).
d. A t?test is always different from regression.
c. The experimental groups are represented by a binary variable (i.e. coded 0
and 1).
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