What are you evaluating when you look for supporting evidence in published materials?

D. credibility of the sources.

D Credibility of the sources. When identifying sources that provide relevant, valid written material, the researcher evaluates a variety of factors, including the credibility or believability of the source. If the writer provides feasible supporting evidence to back up an opinion, outcome, or claim, the researcher may determine that the source is credible. Other considerations are the timeliness of the data or article, the relevance of the information to the topic at hand, and the expertise of the writer or publisher. Readability of the text involves the readers ability to understand the content. If the researcher is evaluating a research study, s/he might analyze the margin of error of certain types of data as one factor in determining a sources credibility.