Social Studies, 25.03.2021 18:50 taylor511176

In a study examining whether restrictions on cell phone use result in differences in performance on a memory test, participants who couldn't check their vibrating phones scored approximately a letter grade lower than participants who could check their vibrating phones. It was not assessed, however, if participants who could check their phones would score lower on the test than students who could check their phones but never actually received messages. Moreover, it is unknown how the level of difficulty of the memory test affected the results. These types of research questions are often answered by the use of:

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In a study examining whether restrictions on cell phone use result in differences in performance on...