If you were going to have an electroencephalogram, what part of the body would be examined?

What's not true about the difference between the t-test for independent samples, and t-test for correlated samples?

A. The independent t-test has less power than the correlated one. B. The independent t-test has more variance than the correlated one. C. Both are correct. D. Both are incorrect.

Spearman believed that general intelligence cannot be measured directly; it must be inferred from various abilities

Indicate whether this statement is true or false.