Original source material
suppose you study a group of successful companies and you find that they emphasize customer focus, or quality improvement, or empowerment; how do you know that you haven't merely discovered the management practice equivalent of having buildings? how do you know that you've discovered something that distinguishes the successful companies from other companies? you don't know. you can't know--not unless you have a control set, a comparison group.
student version
attributes of rigorous research can be shared across subjects of study. for example, collins and porras (2002) highlight the importance of having a control group when comparing companies in any effort to identify what specific company characteristics are able to distinguish the successful from the ordinary.

which of the following is true for the student version above? a. word-for-word plagiarismb. paraphrasing plagiarismc. this is not plagiarism