Data Collection Methods
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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Closed-ended questions | Type of format in which subjects are asked to select an answer from several choices
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Instrument | A device, piece of equipment, or paper-and-pencil test that measures a concept of variable of interest
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Interview schedule/guide | List of topics or an open-ended questionnaire administered to subjects by a skilled interviewer. Sometimes referred to as an interview guide
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Likert scale | Sometimes referred to as a summative scale. Respondents are asked to respond to a series of statements that reflect agreement or disagreement. Most Likert scales consist of five scale points, designated by the words "strongly agree", "agree", "undec.,etc.
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Open-ended questionnaire | Type of format in which subjects are asked to provide specific answers
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Q methodology | Sorting technique used to characterize opinions, attitudes, or judgements of individuals through comparative rank ordering
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Questionnaire | A structured survey that is self-administered or interviewer-administered
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Response set bias | The tendency for subjects to respond to items on a questionnaire in a way that does not reflect the real situation accurately
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Semantic differential scale | Set of scales, using pairs of adjectives that reflect opposite feelings
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Scale | A set of numerical values assigned to responses that represent the degree to which respondents possess a particular attitude, value, or characteristics
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Survey | A method of collecting data to describe, compare, or explain knowledge, attitudes, or behaviors
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Visual analogue scale | Type of scale that measures subjective phenomena (ex: pain, fatigue, SOB, anxiety). The scale is 100 mm long with anchors at each end quantifying intensity. Subjects are asked to mark a point on the line indicating the amount of that phenomenon
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Biophysical measure |
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Categorical response |
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Continuous response |
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Hawthorne effect | People act like they're supposed to when someone is watching them. They know they are being watched/graded, so they act according to the rules and standards even though they might not act like that all the time when they aren't being watched.
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Open-ended response |
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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