Suppose that you are planning a study on the relationship between teachers' use of six verbal behaviors (specific praise, prompting, etc.) and student achievement. Your accessible population includes all fourth-, fifth-, and sixth-grade teachers in the Chicago public schools, who previously have been classified as either bilingual or English-speaking-only. Your sample will include a total of 120 teachers.
a. What sampling procedure should you use to ensure that you have an adequate sample of teachers at each grade level, including both bilingual and English-speaking-only teachers?
b. How would you carry out the sampling procedure?

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The Answer of Suppose that you are planning a study on the relationship between teachers' use of six verbal behaviors (specific praise, prompting, etc.) and student achievement. Your accessible population includes all fourth-, fifth-, and sixth-grade teachers in the Chicago public schools, who previously have been classified as either bilingual or English-speaking-only. Your sample will include a total of 120 teachers.
a. What sampling procedure should you use to ensure that you have an adequate sample of teachers at each grade level, including both bilingual and English-speaking-only teachers?
b. How would you carry out the sampling procedure?

Suppose That You Are Planning a Study on the Relationship