When researchers conduct a factor analysis procedure to see whether the factors they proposed in a test really exist in the test?

Jay has a large nose, a fairly small jaw, and a low waist-to-hip ratio. According to your textbook, which of the following is most likely to be true of Jay?

A) He has an unrestricted sexual orientation. B) Women do not find him very attractive. C) He began having sex at a younger than average age. D) He has had many sexual partners.

The ________ states that a weak synapse will be strengthened if its activation occurs at the same time that the postsynaptic neuron fires

A) all-or-none principle B) law of effect C) perforant path hypothesis D) Hebb rule E) law of summation