John walks to and from work every day. in his city, there is a 40 percent chance of rain each morning and an independent 30 percent chance each evening. his habit is to bring (and use) an umbrella if it’s raining when he leaves the house or office, but to leave them all behind if not. john owns three umbrellas.
a) true
b) false

Intelligence tests are often used to predict a person's future ability to perform in a school setting. alfred binet's initial purpose for developing intelligence testing was to aid students in getting the remedial they may have needed in elementary school. which of the following measures is the best criterion for evaluating the predictive validity of intelligence testing? act school attendance school grades sat job placement