ABSTRACT
The purpose of the present study was to investigate the relationship of team effectiveness with team size, communication and need for achievement. Sample consisted of 40 male employees of different advertising agencies, who were working in a team. Team Effectiveness Inventory was administered to measure team effectiveness, communication within the team and need for achievement of team members. Personal data form was also administered to gather the demographic information and to find out the number of people working in the group. Pearson Product Moment Correlation was then applied. Negative correlation between team size and team effectiveness, and a positive correlation of team effectiveness with need for achievement and level of communication was found. Regression analysis also indicates team size, communication and need for achievement to be signficiant predictors of team effectiveness