$1.$ ?In a health informatics study assessing clinicians' perceptions of a new electronic health record system, researchers decide to use a scale that captures perspectives and images by utilizing words representing polar opposites. Which type of scale would be most appropriate for this study?

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Group of answer choices

Ordinal scale

Semantic differential scale

Likert scale

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$22.$ Convenience sampling is sometimes utilized in quantitative research studies as a form of nonrandom sampling. True or false