Final Exam Flashcards
If a measuring device measures time and time again accurately, is it reliable or valid?
reliable
What are the four forms of measurement validity?
Face
Content Validity
Criterion-related Validity
Construct Validity
If you sample poorly or create a methodology for doing research that is not much like reality, what have you damaged?
validity
Reliability
Does our measuring tool measure consistently and is it stable?
Validity
Did we measure well what we wanted to measure?
External validity
Are findings representative
Internal validity
Are our measuring tools and techniques measuring the phenomenon that we intended to measure?
Face validity
“on the face
of its definition” measures the concept
- “What is your age?” measures age
Content validity
-Experts agree
that your measure is valid
-Validity is based on authority and credibility of judges
Criterion-related Validity
requires comparison to other criteria
Construct validity
Construct validity is the experimental demonstration that a test is measuring the construct it claims to be measuring.
How would you define the concept of a focus group?
the most common Informal Research method used in PR and advertising, semi-structured group interview with results analyzed using qualitative methods
Is it a common tool of PR and advertising professionals?
yes
How do advertising and PR professionals use focus groups?
attempt to define problems, gather reactions to proposed solutions
Is a focus group qualitative or quantitative (formal or informal)?
qualitative (informal)
How should a good focus group be set up?
Group should be homogeneous (people who are similar)
Participants should not already know one another.
Qualify group members with screening test to make sure you protect group homogeneity
Recruit more participants than desired because some people won’t show up
Choose a convenient time and location
What is the role of the moderator in carrying out a good focus group?
participants can be asked to explain what they mean=eliminating one source of error, misunderstandings by researchers moderator leads the discussion through a series of topics, rather than asking a specific set of questions, moderator follows a “protocol” which can range from a rough outline of topics to a carefully constructed list of topics
How many participants?
6-12