COMM 250 Agenda Week 5

1
COMM 250 Agenda - Week 5

• Housekeeping
• Team Pictures
• Hand Back TP1
• Due Today TP2
• Lecture
• RQs, Hypotheses
• IV, DV, Operationalizations

2
Review In-Class Team Exercise 1

• The Original Exercise
• 1) Create 2 Hypotheses (One 1-Tailed, One
  2-Tailed)
• Relate regular exercise with health
• 2) Create a specific, measurable Operational
  Definition of each concept
• 3) Which is the IV, which the DV?
• 4) Can you think of 2 Intervening Variables?
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3
Review Possible Answer ITE 1

• 1) Create 2 Hypotheses (One 1-Tailed, One
  2-Tailed)
• Relate regular exercise with health
• 2-Tailed (Non-Directional) Hypothesis
• Regular exercise is related to health.
• 1-Tailed (Directional) Hypothesis
• The more years of regular exercise a person
  gets, the better their health.

4
Review Possible Answer ITE 1

• 2) Create a specific, measurable Operational
  Definition of each concept
• Regular Exercise
• Regular exercise is getting at least 20 minutes
  of aerobic exercise at least 3 times per week.
• Health
• Health is being free of life-threatening diseases
  and having heart rate, blood pressure,
  cholesterol, and weight levels within the ranges
  recommended by the AMA for ones age and gender.

5
Review Possible Answer ITE 1

• 3) Which is the IV, which the DV?
• In the above example, the IV Regular Exercise
  and the DV Health
• 4) Can you think of 2 Intervening Variables?
• Alcohol consumption
• Smoking
• Family medical history
• Age (young people can be healthy w/o seeking
  exercise)

6
In-Class Team Exercise 2 - Part I

• First Do as Individuals, then produce a Team
  Version
• 1) Create 2 Hypotheses (One 1-tailed, one
  2-tailed)
• Relate socializing with success in college
• 2) Create a specific, measurable Operational
  Definition of each concept
• 3) Which is the IV, which the DV?
• 4) Can you think of 2 Intervening Variables?
• Deliverable a written version of the above
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• Additional Team Work (time permitting)
• Plan TP2 Revisions
• Plan TP3a

7
MTW I Acknowledgment

• Acknowledgement is . . .
• Personal
• Powerful
• A Contribution to Another Person
• A Connection with Another Person
• Simple
• Satisfying
• An Aid in Building Team

8
MTW I Acknowledgment

• Accepting Acknowledgement is . . .
• Generous
• Open
• Honest
• A Connection with Another Person
• Simple
• Allowing Another to Contribute to You

9
In-Class Team Exercise 2

• Part II
• Two rounds of Acknowledgment
• Deliverable No Written Deliverable
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• Additional Team Work (if time permits)
• Plan TP2 Revisions

10
Correlation Causality

• Correlation
• Two variables are related (as one varies, the
  other varies predictably)
• Causation
• 3 Necessary Sufficient Conditions
• Two variables must be shown to be related
• The IV must precede the DV in Time
• The relationship cannot be due to another
  variable (an Intervening or Confounding
  variable)