In the above example, if Dr. Moore intervenes with reinforcement for one month, withholds treatment for one month but then re-intervenes, Dr. Moore's design is best represented as __________________

Which of the following is unconventional political participation?

a. running for an unopposed office b. signing a petition in a school parking lot c. gathering signatures for a proposed ballot measure d. staging a sit-in

How many times has the House of Representatives decided the outcome of a presidential election?

a. 0 b. 2 c. 5 d. 10