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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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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19 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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6 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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8 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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8 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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16 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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25 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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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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12 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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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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22 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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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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33 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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18 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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81 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
54 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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15 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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41 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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27 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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48 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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87 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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48 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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13 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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49 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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19 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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41 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. ...
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2answers
79 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 / ...
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46 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 ...
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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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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 ...
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2answers
131 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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18 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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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. ...
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88 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 ...
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22 views

Domain analysis in surveys

When using the survey procs in SAS on imputed dated, is it best to include the imputation variable on the table or domain statement, or should it be included on the by statement? I found one paper ...
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9 views

Avoid rater tendency in confidence questionaires

For the development of a new chemical process, a handful experts should be asked a few questions (4 to 6), what values they expect for several experimental parameters, i.e. temperature ranges and how ...
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148 views

Transforming scores between different rating scales – Importance of response options

I'm working on a meta analysis of the mean of a single variable (using arithmetic mean as the effect size, rather than the relationship between two variables). The attitude I'm assessing has been ...
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10 views

Modelling rating time series

Imagine a simple set up where where entities (e.g. a restaurant) are rated every year with 5 rating categories $c_t$: excellent, good, medium, poor and bad. Now assume that I have some underlying ...
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79 views

Finding groups of similar people

After asking 16 questions (yes or no) to 75 people I have a table of their answers coded like 00110011110101010 ('0'=no and '1'=yes). Now I would like to find ...
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13 views

How important are poststratification weights in regression analysis?

I am trying to decide whether I need to use weighted regression or not when estimating regression coefficients. Surely if I include age, gender, region, etc. as predictor variables in the model, then ...
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63 views

Running a Pearson's correlation calculation on binary survey data

I have the following raw survey data output from a survey app: I was asked to run a Pearson's R on the results (1s and 0s). The format that is returned is as follows: I was further ...
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59 views

Data Fusion/Statistical Matching: Match Keys & Algorithms?

I need to fuse multiple surveys using statistical matching, and would like to comply with any best practices. I have studied multiple documents but -- despite the plethora of information -- it's ...
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2answers
82 views

Sampling methods

I have the following situation: I'm asking SMEs (small & medium enterprises) how they have reacted to situation ABC. Because I don't know who has encountered situation ABC, I ask all SMEs of one ...
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73 views

Ordinal Independent Variables and Dependent Variable Regression Analysis

I have 3 variables (2 are independent and 1 is dependent). All three variables are measured with questionnaires consisting of multiple questions recorded on 5 point scale. I want to perform regression ...
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70 views

How does my questionnaire analysis plan sound?

I will soon have the results of a questionnaire that I have carried out, and I have made a plan on how I will analyse the data. I was hoping that someone could comment on my plan to advise me. About ...
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52 views

Stratified sample strategy - sample size

We have conducted a survey and collected over 30,000 surveys, from school children, ages between 13-18 years old, on a national level across 18 cities, spanning 3 regions (east, south and west), of a ...
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14 views

theoretical profile correlation

My data (n > 4000) contains the results of two separate tests (instruments). I have a profile made from likert scales for one of the instruments (S1, S2, ... S20). I want to find the corresponding ...