According to psychologist Ivan Steiner, team productivity peaks at about team members. People become less motivated and group coordination becomes more difficult after that size.

5 people

Explanation:

Ivan Steiner who is a psychologist stressed about Team productivity.

Team productivity can be regarded as a measure of activities which is been carried out for quality output during in a particular amount of time. It entails setting up satisfaction of team members as well as providing all the necessary tools that is needed to perform the tasks with great efficiency.

It should be noted that the According to psychologist Ivan Steiner, team productivity peaks at about 5 people team members. People become less motivated and group coordination becomes more difficult after that size

first, the romans stayed isolated because they had to defend their own territories from neighboring cities that were harassing them, like the etruscans. second, once the romans managed to defeat their neighbors, and started to expand their territory, they started to build roads and bridges. finally, now that the romans have covered their territory with roads functioning as highways, they could mobilize their legions faster to assemble larger military units in a specific place.

intimacy, passion and commitment are the components of a interpersonal relationship emphasized in the triangular theory of love by robert sternberg.

the triangular theory of love says love can be comprehend as this componest form the vertices of a triangle.  

intimacy relates to feelings such as of closeness and connection;

passion relates the drives that brings people together, as physical attraction.

commitment relates to the being in a long-term relationship.