This experiment examined the effects of two different types of group cohesiveness on performance of a disjunctive task. Both interpersonal and task cohesiveness were varied independently. Results show that high levels of both types of cohesiveness were necessary for success on a task requiring group interaction. Groups high on one type of cohesiveness but low on another performed no better than groups low on both types of cohesiveness. These results suggest that cohesiveness should be conceptualized as a multidimensional rather than as a unitary variable. It is also suggested that the effects noted in the present study may well vary according to task characteristics.

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Remarkably little systematic research has examined the living and working conditions for teachers in sub-Saharan Africa and how such conditions predict teacher well-being. This study assesses how various risks across several domains of teachers' lives-measured as a cumulative risk index-predict motivation, burnout, and job dissatisfaction in the Katanga province of the Democratic Republic of the Congo. Cumulative risk is related to lower motivation and higher burnout levels, and the relationship between cumulative risk and burnout is moderated by years of teaching experience. Specifically, less experienced teachers report the highest levels of burnout regardless of their level of cumulative risk. Experienced teachers with the low cumulative risk scores report the lowest levels of burnout, and burnout increases with higher levels of cumulative risk, suggesting that burnout decreases with experience but not for teachers who experience more risk factors. Implications for research and education policy in low-income and conflict-affected countries are discussed.

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Role-play scenarios have been considered a successful learning space for children to develop their social and emotional abilities. In this paper, we investigate whether socially assistive robots in role-playing settings are as effective with small groups of children as they are with a single child and whether individual factors such as gender, grade level (first vs. second), perception of the robots (peer vs. adult), and empathy level (low vs. high) play a role in these two interaction contexts. We conducted a three-week repeated exposure experiment where 40 children interacted with socially assistive robotic characters that acted out interactive stories around words that contribute to expanding children's emotional vocabulary. Our results showed that although participants who interacted alone with the robots recalled the stories better than participants in the group condition, no significant differences were found in children's emotional interpretation of the narratives. With regard to individual differences, we found that a single child setting appeared more appropriate to first graders than a group setting, empathy level is an important predictor for emotional understanding of the narratives, and children's performance varies depending on their perception of the robots (peer vs. adult) in the two conditions.