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Which of the answer choices BEST describes the appropriateness of Maria's data sample in the following vignette?

A The sample is biased because it only includes teachers who are immersed in the technology field.

The sample is biased because the study wishes to examine all middle school teachers' ideas, regarding the usage of iPhones in the classroom, while the sample only represents ideas of those teachers teaching technology courses.

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4 years ago

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4 years ago

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4 years ago

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