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Exam 2 for Go
Terms in this set (34)
A group of people who possess some characteristics you wish to study.
The process of obtaining a group of people that represent a larger population of interest.
Random selection of people where everyone has equal chance of being chosen.
Non-random selection of participants and we choose people that we think have characteristics of the population of interest.
Simple Random Sampling
Each member has a equal chance of being selected.
-List all members of population
-Assign a number to each person
-Use a random process to select individuals from list
Stratified random sampling
A sample from selected subgroups of the target population in which everyone in those subgroups has an equal chance of being included in the research
Systematic random sampling
It begins by listing all the individuals in the population then picking a random starting point on the list.
-List all individuals in the population
-Choose a random starting point
-Then select a regular interval
People who are conveniently available.
Considered a weak form of sampling since there is no random process.
A non probability sampling technique in which researchers divide the population into groups and then arbitrarily choose participants from each group.
Using existing members of a sample study group to recruit further participants through their acquaintances
Different purposes of conducting content analysis
-Describe communication content
-Comparing media content to the real world
-Assessing the image of particular groups in society
-Establishing a starting point for studies of media effects.
Steps in content analysis
Inter-coder reliability: Holsti's method
Descriptive vs. Analytical Survey
Descriptive (also known as 'enumerative') statistics are used to provide information about the specific data that is being analyzed. For example the mean of the three values 4, 8 and 9 is 7.
Respondents select an answer from a list provided by researcher.
Require respondents to generate their own answers.
2 or more questions in the same sentence.
Suggests a certain response
Immediate feedback and most flexible way 1 on 1.
Cover a wide area for a good price.
Respondents don't see the survey, low cost.
Quick and inexpensive, must be short. Convenience sampling restrictions approaching people in public.
Inexpensive, anonymous, efficient, internet access
Changes in 1 variable are associated with changes in the other variable
Positive correlation/Negative Correlation
Temporal Precedent of Independent Variable
Rule out alternative explanation
Temperature impacts ice cream consumption and number of drowning deaths but ice cream doesn't impact drowning.
Random assignment/Matching/Including confounding variables in the design
Treatment Group vs. Control group
Focus Group Interview
Advantages and disadvantages of different qualitative research methods
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