Which of the following is an example of a null hypothesis?
A) There is a difference between boys' and girls' math ability in the sample.
B) There is no difference between boys' and girls' math ability in the sample.
C) There is a difference between boys' and girls' math ability in the population.
D) There is no difference between boys' and girls' math ability in the population.
Ans: D
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When planning outdoor activities, a center should
a. provide a variety of choices b. have a structured program of activities for all the children to follow c. let each teacher decide what her children will do d. let the parents tell the teachers what the children should do
Answer the following statement(s) true (T) or false (F)
If a child is unsatisfied with the size of a piece of cake you gave her, you can cut the piece in two and the child will now think she has more cake.
Chaos theory has the following focus:
a. Exploration of the hidden order that does not exists within a chaotic system b. Study of how self-organization emerges from chaos c. Review the static features in an organization d. Keep the focus on the applications that have been stable
In Zorach v. Clauson (1952), the Supreme Court ruled that:
A. sectarian prayers at high school graduations and before football games are unconstitutional. B. the state does not have the right to impose an ideological discipline that invades the sphere of intellect and spirit. C. schools can release students during public school hours to attend religious instruction off the school premises. D. the right of parents to guide their children's education is a constitutional right.