Two experiments examined temporally based changes in the conditioned magazine-entries of rats when a target food pellet arrived at a fixed time before the termination of a conditioned stimulus. Both experiments found that increasing the rate of intertrial pellets systematically interfered with the rate of acquisition. When intertrial pellets were…

The efficiency of the theoretical planning model FACT for modifying the teaching behavior of elementary school interns is evaluated. Results indicate that FACT may be useful in this regard, and thus may bridge the gap between the instruction received in teacher colleges and the teaching of the graduates. (MS)