TY - GEN AU - Pugh,Carys A AU - Summers,Kim M AU - Bronsvoort,B Mark C AU - Handel,Ian G AU - Clements,Dylan N TI - Validity of Internet-based longitudinal study data: the elephant in the virtual room SN - 1438-8871 PY - 2015///1112 KW - Animals KW - Data Collection KW - standards KW - Databases, Factual KW - Dogs KW - Female KW - Humans KW - Internet KW - Longitudinal Studies KW - Reproducibility of Results KW - Research Design KW - Surveys and Questionnaires N1 - Publication Type: Journal Article; Research Support, Non-U.S. Gov't UR - https://doi.org/10.2196/jmir.3530 ER -