Video clips may be an effective format for presenting complex stimuli in preference assessments. In this preliminary study, we evaluated the correspondence between preference hierarchies generated from preference assessments that included either toys or videos of the toys. The topranked item corresponded in both assessments for 5 of the 6 participants, and the top-and bottom-ranked items corresponded for 4 participants. The implications of these results for future research on video preference assessments are discussed.

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Applied behavior analysts encounter situations in which private events hinder client progress, and additional techniques to address these issues are needed. By conceptualizing private events as verbal rules, we provide a behavior-analytic framework for understanding and addressing these events. Relational frame theory (RFT) is the basis for this conceptual foundation; the empirically based principles of RFT are presented along with direct implications for understanding private events. Defusion, an RFT-based technique for addressing private events, is then described and empirical studies that evaluate the effects of defusion are reviewed. Finally, potential clinical applications for practicing behavior analysts are offered.

Student evaluations of teaching are a controversial medium; there's some meaningful information and some bias encoded in the data. Many institutions have recognized this and adjusted in terms of how quantitative information is used in promotion and retention decisions, but they are (mostly) ignoring the harms that student evaluations can have on instructors. The anonymous open-ended feedback students provide is specifically a place that enables trolling. Trolling has negative effects on instructors, especially instructors of color and women in male-coded disciplines. There are some things institutions can do about it.

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