Group decision making This is the most important issue we study for group. We make different decision when we are alone and we are in a group. This is sometimes called group dynamics How do we make good decision in group Group make better decisions > more complete information and knowledge But group decision making is a. Time consuming b. and can be riskier….
Trang 1Lecture 22 Group
Trang 2Group and team.
2 or more people get together… with
common interests
Group may have common objectives, but
not … roles
e.g A tour group, a study group…
Trang 3Team
Group
Team is a subset of group
Trang 4Informal group
Human are social animals We like to get together and form social group
Trang 5Sociemetry
The study of who likes who, and who
dislikes who…
and with whom people in an organization would or wouldn’t wish to work
Trang 6Social Capital
People with strong informal network tend
to have more power and influence as they receive better information, preferential
treatment, and more visible.
Therefore, informal group increases a
Person social capital.
Trang 7Group Decision Making
This is the most important issue we study
for group.
We make different decision when we are
alone and we are in a group.
This is sometimes called group dynamics
How do we make good decision in group
Trang 8Group Decision Making
1 Group make better decisions
-> more complete information and
knowledge
2 But group decision making is
a Time consuming
b and can be riskier…
Trang 9Aggressive
Assertive - MPD Passive
Can it be possible ?
Trang 10The terrible trial
Trang 11Why Riskier
• Pressure to conform
• Ambiguous responsibilities
• Dominated by few
• Evaluation Apprehension
.
Trang 12Evaluation Apprehension
Individuals are reluctant to mention ideas That seem silly because they believe (often correct) that other are silently evaluating Them
It is based on the individual’s desire to
create a favourable self-image, and need to Protect self-esteem
Trang 13Tendency of highly cohesive group to value consensus at the price of decision quality
- Apply pressure on those express doubt
- Members who have doubt keep silent
- Illusion of unanimity - if someone doesn’t speak, it is assumed that they are in
accord
Trang 14Groupshift
Conservative become more cautious
More aggressive types become takes on
more risks.
But usually towards more risk
1.When members are more familiar, they also become more bold and daring
2.Our society values risks
3.Group decision free any single members from
accountability
Trang 15Group Decision Making
Techniques
• Interacting group
• Brain Storming
No criticism is allowed
• Nominal Group Method
• Delphi Method
Trang 16Nominal Group Method Why ‘Nominal’ - restrict interpersonal Communication and discussion
Trang 17Nominal Group Method
• Members meet Before discussion
members write down their ideas independently
• Member take turn and present one idea to the group until all ideas have been presented
• Members discuss ideas for clarity and evaluate them Some ideas may be combined at this stage
• Each member silently and independently ranks each
idea The idea with the highest aggregate is selected
Trang 18Delphi Method
No physical presence
• Problem is identified Members are asked
to provide solution through
questionnaires
• Result of questionnaire is compiled,
transcribed and reproduced
• Members receive results and ask again for for their solution
Trang 19Delphi Method
• Extremely time consuming…
• No rich array of alternatives
Trang 20Case Study
People Developer University conducts BND courses in Vietnam
.Evidence of learning outcomes is sometime achieved by group
assignment Group assignment has the advantage simulates the
environment in which learners will face in the actual work place
However, one of the shortcoming of group assignment is social loafing
within groups Lecturers at People Developer, Victor, Jude, Diana, and Peter would like to propose a better arrangement for group assignment Working individual or in group, propose the solution for better decision Making.