During an experiment, readings for blood pressure in a person’s body were found to be constant. However, when measured by a different blood pressure cuff, the readings differed by 15 points for each reading.
Question is: This difference indicates that the results are __(independent,reliable,or valid)___but not___(independent,reliable,or valid)__. (fill each blank with one of the three choices)
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Answer:
reliable but not valid
Explanation:
Independent ( because the reading relies on the different cuffs ) making this a reliable yet invalid experiment. It’s reliable because it consistently differed by 15 points each different cuff. Invalid because the readings were constant with the correct cuff, putting the incorrect cuff size can cause inaccurate readings.
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