In a classical conditioning experiment, you ring a bell but no longer provide dinner to your subject, a beagle. at last, the cs no longer evokes the cr. therefore, you've accomplished behavioral
a. generalization.
b. recovery.
c. extinction.
d. acquisition.

work: w = fd (given)

work done by chet   =50*1 = 50 j

work done by mika =40*2 = 80 j

work done by sara =30*1.5 = 45 j

work done by bill =60*0.5 = 30 j

students in order from the greatest amount of work done to the least is mika> chet> sara> bill

hence option (b) is correct.

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