Which operant conditioning process must researchers use to encourage closer and closer approximations of a target behavior?
a. stimulus generalization
b. acquisition
c. extinction
d. shaping

If a balloon is taken outside on a very cold day, what will occur?

Find the dimensions and area of the largest rectangle that can be inscribed in the upper half of the ellipse. (give your answers in terms of a and b. enter the dimensions as a comma-separated list.)

How does a circuit breaker protect a refrigerator? a. when the current is too high, a metal strip in the fuse melts and opens the circuit. b. when the resistance is too high , a re-settable which opens a circuit c. when the current is too high , a re-settable switch opens the circuit d. when the resistance is too high a metal strip in the fuse melts and opens the circuit