Refers to an instrument used to collect a sample from a population. Surveying often refers to sampling of human populations and is primarily done by administering questionnaires or interviewing individuals. Sampling individuals for surveys in stratified populations may require more complex sampling ...

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Survey analysis: relationship between one discrete outcome variable and multiple categorical and ordered categorical variables

I have a data set that is the result of a survey. The survey asks the respondents to name 5 people in their community whom they turn to for advice. It then goes to these 5 people and asks the same. I ...
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11 views

how many questions per construct to include on survey

I am developing a survey that tests a number of different constructs relevant to a particular educational intervention and subsequent educational outcomes. For most of the constructs, the questions ...
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5 views

Dealing with singleton strata in survey analysis

I am primarily using Stata for my survey analysis, but my question is also applicable to R or SUDAAN. There are a number of different ways of accounting for singleton strata in survey analysis. Just ...
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12 views

post-stratification of ACS survey

I have a survey methodology question. I am preparing a report that contains some demographic information. My supervisor instructed that I use the NCHS bridged-race population estimates when reporting ...
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2answers
37 views

Is it possible to manually calculate standard deviation for a multiply-imputed survey variable based on the standard error (SE)?

I am analyzing a multiply-imputed complex sample survey data using Stata. For normally distributed numerical variables I want to report the mean and standard deviation. However, the Stata command for ...
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1answer
26 views

Ways to test bar charts with few bars to see if they come from the same distribution?

I have survey data with ordinal/categorical data. Most of the time the answers to question are Yes/No. I want to compare the bar charts (normalized) of yes/no from participants who gave a particular ...
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0answers
13 views

Cluster Sampling problem

I'm using Sharon Lohr's book to self-study, and there is no solution to this problem. I just wanted to make sure I'm computing the values correctly. Question: The new candy Green Globules is being ...
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1answer
80 views

Prediction when survey subsets create dramatically smaller Ns

Suppose you want to predict an outcome using a sample whose N is... 10,000 based on most demographic variables 9,000 based on Survey Question 1 3,000 who answered "Yes" to Question 1 and thus were ...
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12 views

Three stage cluster sampling

I was just curious if anyone knew where to find information on three-stage cluster sampling. There is a significant amount of information on two-stage cluster sampling, but I am unable to find ...
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1answer
44 views

Convert a 1-9 scale average to a 1-5 scale average

I am new at this and could use some help with a conversion. Survey participants were given the answer choices on a ranking scale of 1-9 for each question. We then averaged the results for each ...
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16 views

adaptive surveying for a maximal income that depends on a parameter

I have a product that I would like to price for the highest income. The income $I$ from this product will depend on the asking price $c$: $$ I(c) = N \cdot E(c)$$ where $E(c)$ is the expected ...
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13 views

model post-event misinformation effect on eyewitness?

I'm trying to model post event misinformation. The questions i have is the factors affecting it. and a psychological way of assessing it.
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25 views

Consequence of order in a classification (top N list which is ordered by mark)

I refer to all the kind of lists which are presented in a particular order, imagining a situation in which users respond to these lists by adding their votes. Let's make some example: ...
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3 views

How can mutual information be used in analysing a survey of categorical/nominal data?

I have data arising from independent surveys taken from at least 200 participants. In the survey there is a set of question of categorical and nominal types. I have no knowledge of the nature of the ...
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25 views

Is it ok to delete items when Cronbach's alpha is low?

I have used a questionnaire in my research that is showing a Cronbach's alpha of .52, even though it has shown good internal consistency in many previous studies. I can see that if I delete 2 of its 9 ...
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4answers
464 views

Is the sum of a number of ordinal variables still ordinal?

I have performed a survey where I have a number of questions which can be answered Strongly Agree, Agree etc. to Strongly Disagree. Some of the questions have been designed to measure the same thing. ...
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2answers
55 views

Survey weights at multiple levels

I am dealing with some data from a household travel survey, and I have a question about how to best use the survey weights that are provided. The structure is that households are sampled, and all ...
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0answers
28 views

Correct statistical test when people could appear in multiple groups

Thank you in advance for your help. I ran a survey. People first answered a multiple selection question - they could select as many of the choices as they wanted. The question asked them their ...
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1answer
32 views

Survey data: finding the most significant predictors?

I have about 5,000 responses to a survey in which users were asked how strongly they agreed with a statement on a 5-point Likert scale. This response is my dependent variable - I want to find out what ...
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1answer
16 views

Is margin of error truly valid at extreme proportions? Such as 1% agreement, mere traces of data

Survey margin of error contracts as the proportions become more extreme. Its validity and applicability in such cases has always concerned me, but I suppose much depends on the context. Where we have ...
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1answer
168 views

Survey Method on Personal Isues

A statistician friend of mine told me of an interesting technique used to obtain honest responses on surveys that dealt with sensitive issues. I recall the general gist of the method, but am wondering ...
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19 views

Testing for consistency in survey data

I have a panel of 6 persons which each have generated 2 recipes (cooking), R1 and R2. I have then asked everyone in the panel to ...
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0answers
12 views

Data capture in psychological treatments - nonmandatory random repeat questions

this is a query for approaching a prospective exploratory study in psychological treatments It is not very easy to monitor response to psychological interventions. Usually there are standardized ...
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1answer
24 views

Sampling frame of a voluntary survey

If one is conducting a survey in which all the respondents are volunteers, would there be a true sampling frame? I see three possibilities: We could view this as a situation where there is no set ...
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1answer
43 views

Statistical issues with aggregating annual survey data from multiple years?

I am using a national telephone survey conducted every year by the CDC called the Behavioral Risk Factor Surveillance System (BRFSS) to answer a question about breast cancer screening rate in ...
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20 views

Consistent Questionnaire Responses

I want to ask please questionnaire responses in Likert Scale. I have got some respondents who had consistent answers for a large number of questions. For example, over 75% or 80% answers (in different ...
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1answer
114 views

Preparing survey data for analysis

I am preparing a complex survey data for analysis. The survey involved a two-stage stratified cluster sampling. In the first stage, I have 7 strata and 14 sampling units and in the second stage I have ...
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22 views

Measure difference in answers on survey depending on item response options

For my thesis I sent out a questionnaire that has 10 questions. I set defaults: the first seven question had the default set to the desired answer and the last three questions had the default set to ...
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16 views

How to analyze this design? Multiple batches of Single group pre-test post-test designs

first of all - thanks for reading this. I have a want to analyze the effect of an intervention, but due to practical circumstances I cannot randomly assign people to it and the interventions differ ...
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43 views

Using Cronbach's alpha to test reliability of a questionnaire

I administer a questionnaire to managers asking them to what extent they agree / disagree that they perform certain functions (listed in the questionnaire) on a scale of 1-5. The sample functions are ...
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1answer
13 views

Is the Friedman Test Suitable For an Analysis of Pre/Post-Intervention Choices From Survey Data?

We sent out a survey to find if educational material about a type of surgery would potentially influence the decision of subjects. Prior to giving them this educational material we asked them ...
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30 views

normalizing a proportion of poll results given unequal gender response rates

I took a poll of patients who experienced at least one misdiagnosis. I'd like to analyze the data according to gender but 75% of the responses came from Females and 25% from Males. Example: The data ...
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1answer
37 views

How to compare the results of a survey from two time points and how to compare two groups within a time point?

Looking for some advice on running simple statistics on some survey data I have. Part 1. I have two surveys, one from 2009 and one from 2013, with the exact same question but different ...
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0answers
11 views

How many answers are needed to establish a Schelling focal point?

Consider Schelling's question about a focal meeting point for NYC in game theory (described in the second paragraph under Formulation in the Wikipedia entry). Schelling didn't say how many students ...
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19 views

Generalizing the data per respondent to group

I am currently conducting a survey for a class requirement but I do not know how to process the raw data. I am using the "Media Fitness Framework" by Higa and Gu which basically quantifies a channel's ...
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1answer
27 views

Margin of error (questionnaire response)

I sent a postal questionnaire to 1618 schools. In total, 220 responded (13.6% response rate). For one question, which had Yes, No and Don't know response options, 217 schools responded (Yes=85, ...
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1answer
75 views

Optimal Allocation

A campus population of size N=9000 is to be surveyed by a stratified sample for the prevalence of a certain disease based upon three strata of respective sizes $N_h$ = 1000, 3000, and 5000 for h = 1, ...
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22 views

Should 'do not know' be included when reporting summaries of survey results?

When reporting the results of surveys, we often list the percentages of respondents who gave different answers. However, these percentages could be calculated including people who said 'do not know' ...
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26 views

Validity of estimated survey weights

Suppose a sampling mechanism is used to draw a sample ($y_i$ for $i \in \{1,...,n\}$) of size $n$ from a population of size $N$ with probabilities $\pi_j$ where $j \in \{1,...,N\}$. Standard survey ...
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1answer
11 views

How to see if one (or one set of commonly answered) question(s) impacts/statistically influences another question/set of questions?

I'd like to review the results of a recent survey I conducted. I'd like to see how one set of answers may/may not have influenced another set of answers. For example: If users who answered ...
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0answers
20 views

How do I add a “confidence rating” to something? [duplicate]

I have a bunch of survey responses from people all over the country. Each survey has one question: "How much do you like X?" (X isn't important here), where answers range from 0 (not at all) to 100 (a ...
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1answer
34 views

Ill-labeled survey repairable by analysis?

Suppose a survey has five items with a six-point Likert scale. It has been rolled out with ill-formed labels: *the (2) was labelled by "somewhat disagree" instead of "disagree" - and vice versa the ...
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19 views

Cluster analysis of open-question responses

I am currently analysing a 1100-observation dataset of open-question responses. I was wondering whether I could really do a segmentation based on these responses. What I've done is so far is ...
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1answer
123 views

Ordinal Data analysis

I have to analyze the results of a survey. The questions regard different motivators that the interviewees encounter ("I do it to help my colleagues" as a motivator for instance); all the answers are ...
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2answers
94 views

Sample size vs response rate, which is more important?

While I was preparing an internet survey, I read from multiple sources which says it is more important to have a high response rate than large sample size. Q1. I don't quite understand the logic ...
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17 views

Survey provider like Rainforest QA

Is there a survey provider like Rainforest QA, but geared towards opinion surveys? For example a cheap and scalable provider which would provide answers to simple questions about a webpage front page ...
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1answer
71 views

multiple choice data simple logistic regression or multinomial logistic regression

I have a survey question where the respondent can check one choice or two choice maximum. Question looks like this: What is the more important characteristic when you buy chocolate? ...
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0answers
37 views

Simple descriptive statistics in SPSS or Excel

I have a dataset with 3109 people They were asked to say whether they thought Reason 1, Reason 2, Reason 3 and Reason 4 were good reasons for having a genetic test. The percentages are as follows: ...
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1answer
60 views

Normalizing a Customer Satisfaction Index

I'm looking to use the ACSI (American Customer Satisfaction Index) for a customer satisfaction survey. I'm confused by the explanation for how to calculate this. The survey is three questions: What ...
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95 views

recommendations to analyze a survey of the entire sample frame with a 20% response rate

we surveyed all 10,000 professionals in a particular industry. The industry is highly-regulated, so we have contact information for everyone in our population of interest. We attempted to contact ...