Source related argumentation found in science websites: a quantitative study

<br>This is the summary for online materials that supplement:<br>Source related argumentation found in science websites: a quantitative study <br>by Ralph M. Barnes, Zoë Noel Neumann, and Samuel Draznin-Nagy.<br><br>The raw data is presented in two CSV files. The two file names are: <br>raw data for text<br>raw data for source codes<br><br>The coding rubrics are presented in three CSV files. The three file names are:<br>initial rubric<br>action rubric<br>positive rubric<br><br>For all CSV files, brief column labels can be found in row #2. More detailed column labels can be found in row #1.<br><br>One additional table can be found in a pdf file named:<br>Supplemental table S1. Source search strings<br><br><br>