Surprisingly, a large number of androgen-insensitive males are frequently found to be

Which of these might be an example of a performance item on the Wechsler tests of intelligence?

a. repeating a series of digits b. defining a word such as lunch c. using blocks to make a design like one shown in a picture d. adding a series of orally presented numbers

For every 5 times that you go to the gym each week, you reward yourself with a treat. This best illustrates which of the following schedules of reinforcement?

a. fixed ratio b. variable ratio c. variable interval d. fixed interval e. shaped