RESEARCH METHODS THINKING CRITICALLY WITH PSYCHOLOGICAL SCIENCE
THE SCIENTIFIC METHOD AND DESCRIPTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Clear and detailed statements about how you will measure the data collected about the variables.
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The entire group of people or animals in which the researcher is interested.
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A sample that has characteristics that are similar to those in the population.
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A measure of the relationship between two variables.
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Detailed explanation-1: -An operational definition, when applied to data collection, is a clear, concise detailed definition of a measure. The need for operational definitions is fundamental when collecting all types of data.
Detailed explanation-2: -An essential component of an operational definition is measurement. A simple and accurate definition of measurement is the assignment of numbers to a variable in which we are interested. These numbers will provide the raw material for our statistical analysis.
Detailed explanation-3: -Your operational definitions describe the variables you will use as indicators and the procedures you will use to observe or measure them. You need an operational definition because you can’t measure anything without one, no matter how good your conceptual definition might be.
Detailed explanation-4: -An operational definition should identify how the variable is calculated or recorded as a numeric value. In addition, the operational definition should specify the range of possible values and the variable’s level of measurement (nominal, ordinal, or interval).