_____________ guarantees that even though a variable cannot be controlled, its influence will not affect the outcome of the experiment by being confounded with the independent variable

For cancers that affect both sexes,

A) men are generally more vulnerable than women. B) women are more likely to be symptomatic than men. C) men have a better survival rate than women. D) women are more susceptible to somatic mutation than men.

Who was one of the seven psychologists to start the American Psychological Association?

A) Hermann von Helmholtz B) John Watson C) Wilhelm Wundt D) William James