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The purpose of this study is to examine how two different types of heavy work investment – work engagement and workaholism – are related to family satisfaction as reported by employees and their intimate partner.

In total, 398 Japanese couples completed self-reported questionnaires including the model variables. One year later, participants reported again on their family satisfaction. Structural equation modelling analyses were used to test the hypotheses.

As hypothesized, work engagement was positively related to work-family facilitation, which, in turn, predicted own and partner's family satisfaction, also one year later. In contrast, workaholism showed a positive relationship with work-family conflict, and had an indirect negative effect on own and partner's family satisfaction. The structural relationships between the variables from husbands to wives were similar to those from wives to husbands.

The use of a non-experimental design does not allow for definitive conclusions regarding causality.

The findings contribute to the work-family interface literature by showing how experiences built up at work can have a positive or negative impact on one's partner's family satisfaction. The study highlights a growing need to promote work engagement and discourage workaholism within organizations since engagement has positive and workaholism has negative implications for employees' private life.

This study clearly shows the differences between two important work experiences – work engagement and workaholism. Using the spillover-crossover model, the study sheds a new light on the process through which employee work engagement and workaholism influence one's partner at home.

The purpose of this paper is to investigate the mediating role of prosociality, which is defined in terms of helping and benefitting others, between teacher collaboration and their turnover intentions. Prosociality was measured as prosocial impact and prosocial motivation.

This study was conducted through a cross-sectional survey of 260 elementary and junior high school teachers in Japan. A structural equational model was employed to examine the mediating roles of prosocial impact and prosocial motivation in the relationships between teacher collaboration and their turnover intention.

The results, first, supported the hypotheses: the high perception of teacher collaboration in school predicted high perceived prosocial impact; high perceived prosocial impact predicted high perceived prosocial motivation; and high perceived prosocial motivation predicted decreased turnover intention. Second, results supported partial mediating roles of prosocial impact and prosocial motivation between teacher collaboration and turnover intention.

Limitations of this study include cross-sectional data that may limit the potential for causal inferences, and self-report data. Future studies should incorporate alternative designs.

Results indicate that teacher collaboration contributes to less teacher turnover intention via prosociality. Thus, to enhance teachers’ prosocial impact, more opportunities to realise their collaboration should be considered.

This is the first study to explore the relationships between teacher collaboration and turnover intention in educational organisations with prosociality, which resides as core goals and objectives of teachers.

Three different methods have been studied to prepare silver powder pigments in order to find out the most suitable product for application in conductive paints. X‐ray analysis, specific gravity, pH value, water solubility, oil absorption, particle size distribution, and particle shape of the prepared silver powders were measured and compared with a commercial pigment. It was found that two of the three grades of silver powders have more suitable properties for application as conductive pigments.