Comparing Accuracy and Costs For Data Input Methods

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because scanning would simply mean input and no further verification of the data. Second, the paper must be a priori prepared for the scanning process (no staples, arranging the papers, double sided documents, etc.), so this would mean additional time and costs. However, many of the today scanners include several facilities, such as high volumes of paper that would tend to facilitate the amount of labor required. Given the accuracy level in this case, I would tend to choose this method of data input.
A telephone survey would need, in my opinion, manual keyboard data input. This choice is given by the specific activity of a telephone survey: data is collected through the direct contact between the collector and the subject and I see no technological device that could facilitate this. The data collector will have to manually collect data from his interlocutor and manually input it into the computer. Unfortunately, the manual choice has several weaknesses, the most important ...

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