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Heads of secondary school mathematics department were surveyed to assess their perceptions of how they influence and impact students' performance in mathematics. Survey results showed both agreement and discrepancy between what department heads perceived as actual and optimal activities to enhance instructional improvement, influence student achievement, and implement initiatives for change. The report concludes with a description of the pre‐service and in‐service programs.

The purpose of this study was to examine the influence of participating in an eight‐week physical training (ie. balance or weight training) on psychosocial outcomes for independently living healthy older adults. Eighteen older adults (65 years old or older) voluntarily participated in this study. Participants were randomly and evenly distributed in three different groups such as balance, weight or control group; six participants in each. Fear of falling and social activity levels were statistically tested by evaluating questionnaires validated in previous studies. Psychological factors improved in all groups after eight weeks (P < 0.05). Social interaction levels did not improve in any of the three groups, although all participants exhibited improvements in being physically independent (P < 0.05). Results suggested that being physically active as well as being socially active could result in being less fearful of falls, more confident of leaving residency, being more independent, and being more active.

This paper aims to fill a gap in the existing literature by answering the following question: is the effect of envy on people's intention to share information the same in offline settings and on online social networks?

Two studies demonstrate (1) how envy that results from upward social comparisons affects people's intention to share information and (2) the difference between online and offline settings.

The likelihood of sharing information susceptible of triggering envy is lower in online social networks than in an offline scenario.

In digital environments, feelings of envy depend on the number of social comparisons that the individual is exposed to.

This research recommends (1) incorporating tools that allow online social network users to feel part of their network's successes, (2) promoting offline diffusion of information and (3) encouraging people to play an active role when using online social networks.

Benefits can be derived from offering tools that permit receivers to take advantage of the selective self-presentation of other users. Such tools could have positive consequences for the welfare of online social network users.

To date, the literature has paid no attention to envy as an engine of information sharing. This aspect is especially relevant when discussing platforms whose main goal is precisely information sharing and that offer fertile ground for upward social comparisons.