How much TV does the American Academy of Pediatrics recommend that children under 2 years old be allowed to watch per day?

According to the principle of commitment, once we make a small commitment to a person or idea:

a. there is less of a chance we will make a larger commitment later. b. there is more of a chance we will make a larger commitment later. c. we are equally likely to make a similar commitment later. d. we are likely to make a similar commitment to someone else later.

Which principle(s) best explains why adding "even a penny will help" will increase the success of fundraising requests?

a. commitment and consistency b. scarcity c. capturing and disrupting attention d. reciprocity