A rat is being trained to learn its way through a complex maze. When the rat successfully makes its way through the maze, it receives water and food and runs faster next time. What psychological principle does this example illustrate?

A. stimulus
B. reinforcement
C. introspection
D. cognition

How would having more railroad tracks be advantageous during a war

Pj conducts an experimental study on the effects of soft music during high stakes science testing. he randomly assigns students at the school. in one condition he does not provide music for testing while in the other group he does provide the music. he administers a pretest at the beginning of the year and a posttest at the end of the year. pj’s design is best described as a: a.static group comparisonb. pretest-posttest control group designc.control-group-time-series designd. nonrandomized control-group pretest-posttest design

The state fire marshal ensures a program can legally operate in a specific location and has sound structure?