SUPERVISORY MANAGEMENT Instructor’s Manual
8
• The size of the work group has an impact on a group’s effectiveness.
• The size of the work group depends on its purpose.
o Organizations can take a contingency approach to determining a manager’s span of
control that influences the size of the natural group.
o With the increasing use of committees, task forces, quality circles, and self-managing
work teams, additional guidelines are needed for determining the size of these types of
groups.
• The ideal size for a problem-solving group is probably five to seven members.
o However, another study found that 14 members is the ideal size for a fact-finding group,
showing that the ideal size depends on the group’s purpose. .
2. Member Composition and Roles
• The more alike members are, the more similarly they will see things.
• For tasks that are relatively simple and require maximum cooperation, homogeneous groups
are superior.
o For complex tasks, groups composed of members with widely differing backgrounds are
superior because a greater number of different ideas would be generated, increasing the
probability of creativity.
• Whatever the group’s composition, key task and maintenance roles must be carried out if the
group is to be effective.
• Members of a problem-solving group and regular work teams, where the formal leader is
skillful in getting everyone to participate, tend to shift back and forth between these roles
naturally.
o Many members may play several task or maintenance roles.
• Some ineffective roles or behaviors, such as domineering, can have a negative impact on group
effectiveness.
• The skill is for the leader to operate so members share the leadership role and ineffective
behaviors are minimized.
• Another way to approach member composition and roles is from a team player or follower
style perspective.
• There are four types or styles of team members. They are as follows:
o Contributors are task-oriented, dependable team members who provide good technical
data, do their homework when requested, push the team to set a high bar for
performance, and use team resources wisely.
o Collaborators are goal-directed, big-picture team members who see the ultimate goal as
overriding, but are flexible and open to new ideas, pitch in when and where necessary,
and share the limelight with other team members.
o Communicators are process-oriented, positive-people team members who are effective
listeners and facilitators of any conflict among team members.
o Challengers are questioning, open, and candid team members who are willing to
disagree, banter, contest assumptions, and encourage the team to take calculated risks
when appropriate.