Lecture Note 3

3 Pages
58 Views
Unlock Document

Department
Communication Studies
Course
COMM 101
Professor
All Professors
Semester
Fall

Description
Comm102 – Notes 3 – 1.21.14 • Doing Social Scientific Research o Important terms:  Theory  Hypothesis  Variable  Independent variable  Dependent variable • Theory and Hypothesis o Theory: (An explanation of how and why things happen)  Systematic explanations and predictions of phenomena.  A set of generalizations that explain observable phenomena by  posing some relationships among variables.  We want to know why this, this, and this happens so to answer  these questions we use theories.  Observing something and want to explain why o Hypothesis: (test of the explanation)  A specific statement or proposal that can be tested by means of  gathering empirical evidence.  Specific prediction about what will happen in a specific situation  if the overall theory is true. o Theory: people imitate what they see other people do. o Hypothesis1: Children who are shown Superman cartoons in their school  will hit other children more often on the playground that day than children  who watch Sesame Street. o Hypothesis2: Adults who usually watch action adventure programs will be  more likely to commit crimes involving violence than those who usually  watch situation comedies. o Theories are general, hypothesis are specific o One is derived from the other o A single theory may lead to multiple hypotheses  Can be tested in many different situations  Some may hold up well, some may not o A hypothesis is either accepted or rejected  Helping further define the theory • Variable o A phenomenon/event that we observe,  Whose attributes vary across individuals  To which more than one value can be assigned o Examples  Attention to the media • Very little attention, moderate attention, very close  attention  Watching action adventure programs • 1 hour per day, 2 hours per day, etc.  Committing violent crimes • Once per year, twice per year, etc. o Indendent vs. Dependent Variable  Independent variable • Cause  Dependent variable • Effect, consequence, and outcome • DV is caused by IV.  Example • The more one watches violence on television (IV) • The more likely one is to engage in aggressive behaviors in  real life (DV). o Establis
More Less

Related notes for COMM 101

Log In


OR

Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


OR

By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.


Submit