Internet Versus Mailed Questionnaires: A Randomized Comparison
Among a convenience sample recruited via the Internet, results from those randomly assigned to Internet participation were at least as good as, if not better than, among those a...
Among a convenience sample recruited via the Internet, results from those randomly assigned to Internet participation were at least as good as, if not better than, among those a...
h-index: Number of publications with at least h citations each.