Although careless respondents have wreaked havoc on research for decades, the prevalence and implications of these participants has likely increased due to many new methodological techniques currently in use. Across three studies, we examined the prevalence of careless responding in participants, several means of predicting careless respondents,…

One of the major claims of the report of University of California's Task Force on Standardized Testing is that SAT and ACT scores are superior to high-school grades in predicting how students will perform at UC. This finding has been widely reported in the news media and cited in several editorials favoring UC's continued use of SAT/ACT scores in…

Educational research teams are increasingly recognized as an optimal configuration for addressing more complex mixed methods research problems; however, their development is often approached as a conventional research collaboration rather than an integrative one. An approach informed by complexity theory provides the practical guidance for…

I used a subscriber identity module card reader to copy the lists of saved contacts from 170 mobile phones in Fiji. This approach has both advantages and disadvantages compared to other techniques for collecting telephone network data. Copying phone contacts avoids recall biases associated with survey-based name generators. It also obviates the…

There is increasing consensus among psycho-educational scholars about argumentation as a means to improve student knowledge and understanding of subject matter. In this article, we argue that, notwithstanding a strong theoretical rationale, causal evidence is not abundant, definitions of the objects of study (argumentation, learning) are often not…