An effect is random if the experiment contains what?
A. All possible treatment conditions that a researcher is interested in
B. None of the possible treatment conditions that a researcher is interested in
C. A random sample of possible treatment conditions that a researcher is interested in
D. A fixed number and percentage of possible treatment conditions that a researcher is interested in
Answer: C
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Bulk buying ____
a. ?is always economical b. ?is never economical c. ?is economical if storage is available and if the purchased items will maintain their quality over time d. ?is economical if teachers do not have access to the items
The best type of board surface material is a. satin or silk
b. colorful. c. fuzzy. d. a background scene.
Children must first coo and babble before they can use words and sentences
a. True b. False Indicate whether the statement is true or false
Prewriting stages include freewriting which is best defined as
A. a prewriting technique performed to generate ideas. B. the process of getting your ideas down on paper. C. a technique where you focus on ideas around a specific topic and develop a claim about that topic. D. a prewriting technique that helps you explore your attitude about your topic and think about it more deeply.