Sampling
What is a sampling frame?
Those individuals who have a chance of being included in the sample
Which survey strategy is the most flexible?
People or events are sorted into unordered categories
Nominal
These types of questions allow respondents to craft their own responses
Open-Ended Questions
Name one of the biases we encounter when conducting surveys
Sampling Bias
Non-Response Bias
What is the typical response rate for postal surveys?
Less than 30%
People or events are ordered or placed into ordered categories along a single dimension
Ordinal
These types of questions offer a limited set of responses
Fixed-Response Questions
Give an example of a systematic sampling scheme
i.e. For a telephone survey, every 10th person in the phone book is chosen to participate
Which strategy provides response rates close to those of face-to-face interviews?
Drop Off & Pick-Up Questionnaires
Numbers are attached that provide meaningful information about the distance between ordered stimuli or classes
Interval Data
Name two things to avoid when crafting questionnaire questions
Long, complex questions
Two or more questions in one
Jargon
Biased or emotionally charged terms
Negative words like 'not' or 'none'
When does the benefit of a large sample size to precision ratio level off?
150-200 people
People without access to the internet and email will be left out of the sample in this type of survey strategy
Internet Surveys
Ratios are assigned such that ratios between values are meaningful, as well as the intervals between them
Ratio Data
What is one downside to using categorical responses
Loss of information
These common analysis methods require sample sizes of 25+
Chi-square and ANOVA
This survey method is limited to short questionnaires with fixed-response questions
Telephone Interviews
What are the 4 levels of measurement
Nominal, Ordinal, Interval Data, Ratio Data
Why is pre-testing your questionnaire questions important?
It often reveals flaws in the questionnaire that were not obvious to the researchers