Transcription of Measurement
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Measurement
1 Measurement -1 MeasurementY520 Strategies for Educational InquiryRobert S MichaelMeasurement-2 How are variables measured? First, variables are defined by conceptual definitions(constructs) that explain the concept the variable isattempting to capture. Second, variables are defined by operationaldefinitions; that is, definitions of how variables will : Study effort (a) The variable study effort may be definedconceptually as the amount of effort required to mastera body of material, including reading, looking updefinitions, note- taking , drill, self-quizzing, and soforth. Each of these components must be operationalized inorder to be : Study effort (b) The variable study effort may be said to consist ofreading, looking up definitions, note- taking , drill, andself-quizzing.
3 Measurement-5 Example: “Study effort” (c) The variable “study effort” may be said to consist of reading, looking up definitions, note-taking, drill, and self-quizzing. • Note-taking (operational definition): How many
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