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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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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22 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
437 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
49 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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26 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
26 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
13 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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17 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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6 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
22 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
35 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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18 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
109 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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21 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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0answers
13 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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0answers
33 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
12 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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0answers
25 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
32 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
10 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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18 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
24 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
71 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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25 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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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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0answers
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
104 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
78 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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16 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
57 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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33 views

Simple descriptive statistics in SPSS or Excel

Apologies if this is a stupid question. I have a data-set 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 ...
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1answer
56 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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91 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 ...
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1answer
86 views

Questionnaire design - Agree/Disagree scale

I recently constructed a questionnaire to carry out a market survey on soap brands used. One of the questions which was asked was to rate few statements which influence the respondent to buy a certain ...
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0answers
14 views

Running a t-test on different (sub?)sets [survey logic]

This might be a better fit in the Mathematics or Philosophy StackExchanges, as I think I'm fundamentally facing a problem of logic, but I'll throw it out here first to avoid cross-posting. I have ...
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1answer
56 views

income elasticity + regression + household survey data

I'll try to be concise and up to the point: Problem: estimate income elasticities for various products from household survey data. Given: I have to big complex household survey datasets that uses ...
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0answers
23 views

Calculating power for a survey to compare different metrics

I am currently planning a survey. The data will be used to test which of three metrics best captures some "true" underlying characteristic of the respondents. Getting data on the "true" underlying ...
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0answers
55 views

Machine learning with weighted / complex survey data

I have worked a lot with various nationally representative data. These data sources have a complex survey design, so the analysis requires the specification of stratification and weight variables. ...
2
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2answers
104 views

Multiple testing: contingency table or logistic regression approach for survey?

I have a survey asking a person's gender (M/F), geographic region (West, East, Midwest, South) and a few other demographic variables along with two dozen questions in which they can disagree / ...
2
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1answer
50 views

households survey data - determine 'valid' product categories

I'm working with household survey data where households report their expenditure for various products. The goal is to look into income elasticities for various products thus in essence I'm interested ...
0
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1answer
19 views

Non-differentiation

I'm trying to assess the level of non-differentiation for a web survey I am doing. It features six pages of several Likert items on each page with a 6 point scale, followed by a seventh page of ...
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0answers
28 views

Accounting for noncoverage in survey

[I'm a stats noob, so please correct if I am going wrong somewhere!] We run a survey of our customers based on certain events or touchpoints. The responses vary significantly by these touchpoints, so ...
2
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2answers
134 views

How to use statistics to learn about voting?

I have a data set with 1500 individuals who were surveyed about many things including demographics, attitudes and opinions about politics and economic status. The most important question in the survey ...
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0answers
20 views

Do we need to check Internal Consistency of Validated Questionnaire?

Do I need to necessarily conduct a reliability test to determine the internal consistency of the items in a questionnaire that I have adopted, even though that instrument had already been validated ...
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1answer
53 views

Fusing Aggregate (Macro) and Micro Data?

I have a microdata recipient survey and a macro (aggregate) donor. How can I fuse the (binary categorical) data? The Statistical Matching techniques/software I'm familiar with are micro-to-micro. ...
2
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0answers
117 views

Contingency tables, Chi-Squared analysis and next steps in R

I'm hoping one of the more experienced R programmers/statisticians out there can help me with something, or explain why what I'm trying to do is stupid :-) In the past, I've done analysis of survey ...