1. What method did Dad use with the children to reinforce that they work hard in school?
(a) He made them meet with the principal once a week.
(b) He punished them often.
(c) He rewarded them heavily.
(d) He signed them up for classes below their grade level.

2. What method did Dad use to ensure no one forgot their hygiene or socialization?
(a) He developed a unique whistle call for each child.
(b) Strict discipline and accountability.
(c) He set up charts and routines to ensure efficiency.
(d) He gave the children rewards and treats to gently remind them.

3. What practical joke did Dad often play on the children?
(a) He would tell them to look in the engine of the car for a birdie, and then he would honk the horn to scare them.
(b) He would tell them he had a lavish surprise for them, but he really had nothing.
(c) He would tell them they couldn't have dessert, but then he would take them out for ice cream.
(d) He would blow the whistle to get their attention and then say "Just joking!"

4. When Mother and Dad returned home, what did Aunt Anne tell them about her visit with the children?
(a) She told them their children were the best behaved children she had ever encountered.
(b) She told them the children were excellent musicians now.
(c) She told them the children had been very rude.
(d) She said that everything went fine, even though it hadn't.

5. According to Ernestine, which of the following statements is true about the popularity of the book, "Cheaper by the Dozen"?
(a) It has captured the hearts of readers across decades and around the world through book sales and an active website.
(b) The readers do not ask many questions about the Gilbreth family.
(c) Although people around the world like the story, the book sales were never very strong.
(d) It was very popular a few decades ago, but it is not very popular today.