Sapna is interested in the influence of nutrition on reaction time. she assigns participants to eat a salad and fruit for dinner every day for a week or to eat fast food each day. she then brings participants into the lab and asks them to push a button on a keyboard as fast as they can every time they hear a particular sound. what are the operational definitions of the variables in sapna's study?

The answer is "whether participants eat salad or fast food; how quickly they push the button when they hear the sound".

The operational definition of a variable is the particular manner by which it is estimated in that review. Another examination may quantify the same calculated measure in an unexpected way. In the event that you were examining methods for helping individuals quit smoking, smoking suspension would be a result measure (dependent variable). You could gauge smoking end as a man not smoking a cigarette for multi month, or as a man who has not smoked in a year, or a half decrease in the quantity of cigarettes smoked. Obviously the operational meaning of the needy variable is a critical advance in the plan of the investigation. Some other wellbeing related applied factors that have numerous operational definitions: insight, wellness, wellbeing, personal satisfaction. A few polls have been produced to quantify these calculated variables.

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common people

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