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This article has a dual purpose. First, it proposes to investigate adolescents’ opinion and acceptance of the new online program called “Hero.” Second, this article studies the program’s effectiveness in promoting prosocial behavior. The sample included 51 men and women participants between the ages of 12 and 16 (average age 15.02; SD = 1.07; 49% men). All of the adolescents attended high school and belonged to a middle socioeconomic status. The results indicated that the majority of the users enjoyed participating in the Hero program and thought that it was easy to use and useful, that what they learned could be transferred to daily life, and that they would recommend the program to other adolescents. Moreover, the Hero intervention was effective in promoting prosocial behavior toward strangers and family members but not in promoting prosocial behavior toward friends.

In order to calculate size and to estimate effort in applications, the standard method most usually used is function points, which has been used with good results in the development of industrial software for some time. However, some aspects should be improved, namely: the time at which the estimation of effort is performed and the margin of error in the effort estimation. Consequently, another size metric which could be used to obtain more accurate estimations should be found. This article presents two other size metrics for projects based on use cases: transactions and entity objects. Effort is estimated by using the technique mean productivity value. There is also a description of two case studies, one which involved four academic projects and the other one which involved four industrial projects. They were developed in order to compare the estimations obtained with each method. The result shows that the current way of estimating effort can be improved by using the number of transactions as a size metric and the technique mean productivity value.

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