The dependent variable in the study is the nursing rounds (which involves undertaking the prescribed protocols and actions to be taken as well as the frequency of rounds, i.e. one hour rounding and two hour rounding). The study aims to see the behavior of the nursing rounds variable when tested against the study's independent variables (which are patient's call light use, level of satisfaction, and safety). The title of the article, as readers may notice, effectively points out the dependent and independent variables in the study.

In terms of the relationships of the dependent and independent variables, the authors hypothesized that nursing rounds will reduce the call light use (negative direction, i.e. As one variable increases, the other decreases), increase patient satisfaction (positive direction, i.e. one variable increases and so is the other), and improve patient safety (positive direction).

For the first hypothesis (nursing round and call light use), probability...
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