Kristen, a 3-year-old, enjoys taking baths and is always willing to get into the bathtub. Kristen hates to have her fingernails clipped and will run and hide if she sees her mother or father with the nail clippers. Edward Thorndike would explain her behaviors using the law of:

The law of effect given by Edward Thorndike explains the behavior of child given in the problem. The effect which gives pleasure and satisfying effect are likely to be learnt easily and the effect which creates bad taste are likely to be forgotten easily. actions producing feel good effect are likely to be repeated in future.