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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25 views

r linear regression mistakenly giving me r2 value of 1

I'm using R to create a linear regression model from survey data about public sentiment for a new technology. I am encountering a problem where the addition of a new explanatory variable raises the ...
2
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1answer
28 views

Visualising individual observations in weighted data

Context: I have a survey where I have deliberately oversampled particular groups of respondents. I am aggregating these groups and therefore I am using measures such as the weighted mean to ensure my ...
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0answers
25 views

Borda Count (Weighted Sum) vs Weighted Mean

I recently ran a survey where I gave users 36 options and had them rank their top 10 from most important to least important. I've taken the results and assigned each position a weight (i.e. ranked ...
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1answer
38 views

When a CFA model has a “covariance matrix was not positive definite” problem, is it due to the dataset or the model?

I am testing several CFA measurement models with Lavaan in R. The questionnaire that I am investigating has been shown to be composed of 1-factor, 3-factor, and 4-factor. In the dataset, I found ...
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1answer
22 views

Reading recommendations for psychometric refinement

a research project turned up a large number of survey instruments on a specific topic. There is a great deal of conceptual item overlap in these instruments, but they do differ in some key ways, ...
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0answers
4 views

Ranked responses across survey questions

We have a set of arthritis disease activity questions. Patients are given a scenario that describes a disease activity level scenario, like (A)"It is not painful to write" or (B)"It is painful to ...
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2answers
22 views

Comparing within-subject z-scores (survey data)

I have some messy survey data, wherein one group of interest (cut on one self-reported behavior) rated every single attribute (7-point Likert scales) higher than any other group. I think this has ...
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0answers
26 views

What summary statistics can be applied to the results from a multiple choice question?

I have a list of answers given for a multiple choice question. For multiple choice I mean that from a set of possible answers given, more than one can be chosen. For other answers with single choice I ...
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0answers
15 views

Quantifying 'survey bias' in reports

In situations where you know the individuals answering the survey are suspectible to some sort of bias within their responses, is there a way to simply integrate it into inferences made about the ...
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1answer
10 views

Multiple Regression study design - questionnaires

If an existing questionnaire does not exist to tap into a construct, is it better to change the instructions of a preexisting measure that isn't quite tapping into the variable of interest to have ...
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1answer
30 views

How to caculate power analysis in a descriptive study

Hi I'm currently doing a dissertation, its a descriptive quantitative study. The method of data collection is a questionnaire scaled by a 10 point Likert scale. To calculate the sample population ...
3
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1answer
15 views

Validity of combining surveys and sociodemographics to estimate miles walked in census tracts

I ran across this paper that describes an interesting approach to combining survey and sociodemographic data: Salon. Estimating Total Miles Walked and Biked by Census Tract in California. State of ...
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1answer
190 views

Confidence interval for average treatment effect from propensity score weighting?

I am trying to estimate the average treatment effect from observational data using propensity score weighting (specifically IPTW). I think I am calculating the ATE correctly, but I don't know how to ...
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0answers
14 views

Bagging for sparse survey data regression?

A colleague came to me with an idea for training a regression model from a very large but sparse survey data set. In this data set, many variables are available but most respondents only answered a ...
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0answers
13 views

Estimate posterior distribution for a group given aggregate data

I have data describing over a 15 million individuals where each item includes variables like these: A. Amount spent on airfare last year B. Brand of shoes C. Number of times visited some website in ...
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0answers
15 views

Derived Scale for Exploratory Factor Analysis

Is it appropriate to use a 10 point Likert scale for EFA in the form of Yes/No followed by strength of the response varying from Very Low to Very High? The scores would be assigned as follows Yes/VL ...
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0answers
32 views

can individuals resampled in reoccurring cross section surveys be considered as panel dataset?

I have data from a reoccurring cross sectional firm survey, For every year a new sample was selected ( with replacement between years). The data is identified, so I can see the subset of firms appear ...
2
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0answers
24 views

Estimating dynamic panel model with tricky survey data

I have a theoretical model that (given my ideal data set) could be taken to the data with a dynamic panel regression of the following form: $s_{i,t} = \eta_i + \alpha a_{i,t} + \beta b_{i,t} + ...
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0answers
17 views

Exploratory Factor Analysis and survey scales

Are there limitations to using EFA on survey data, where some questions have different scales? (ex. some questions are four-point and some are five-point Likert scales; one is on a 10-point scale) ...
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0answers
3 views

Does a within groups design necessarily mean the data is matched?

I am seeing conflicting information on this. The design is within groups with 4 groups. Each user experiences all four groups in a random order. There is no real reason the results of one group would ...
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1answer
29 views

What statistical test to use to examine attitude and which components have strong/weak influnces on attitude? 4-point Likert Scale survey

This is a quantitative study using survey to examine attitude towards online reading. In the survey, there are 5 main components which contribute to overall attitude. Each component has different ...
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0answers
14 views

Derivation of the variance of the sample size in probability sampling

I am trying to understand how to derive the variance of the sample size $n$ in a random probability sample from a population of size $N$ with units $i=1,...,N$. Let $I_i$ be a random variable for $i$ ...
3
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2answers
48 views

Survey analysis with missing data by design

I have a survey with 400 responses looking at the satisfaction of customers with a company's service overall, as well as on various specific aspects (website, account manager, invoicing, etc.). ...
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2answers
73 views

Comparing 2 time series in R

I was wondering what kind of tests one would use to compare these two time series. The first data set(in percentages) are results from a weekly survey that asks a YES/NO question on whether someone ...
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0answers
24 views

Analysing multiple response question

Suppose I have a survey data set, where sample size is n=50. There is a variable on " What do you like about this product? " Answers: a. Less time consuming b. Low weight c. User ...
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1answer
24 views

How exactly can I determine if customer ratings are based on (employee) vs. just random variation?

We have customer satisfaction surveys, and I can tell at least SOME portion of the variance is due to the employee that helped them. The surveys are all phrased -- how would you rate EMPLOYEE on ...
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1answer
30 views

Inference on survey results

I have user responses to different types of surveys (e.g. "car survey", "lifestyle survey",...). Most of the users have answered just a very small number of surveys. I would like to predict the ...
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30 views

Inference possibilities for matched case-control study

We have contracted out collection of survey questions for the group of our customers. These customers even when sampling all of these represent less than 1% our our customer base. We would like to ...
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1answer
34 views

Likert scale based composite variables

I am conducting a small research into the adoption of smart home technologies for elderly people. In this research I have conducted both questionnaires and interviews, with the questionnaire being ...
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0answers
14 views

Trend Survey Statistical Tests

I am designing a trend survey using a Likert style survey. I have three opinion questions, each with the same choice of responses ranging from Not Likely to Very Likely. Are there any statistical ...
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3answers
100 views

Correcting biased survey results

Knowing that a population sample (non-random) is biased in terms of its demographics, what are the best practices to correct for this issue? That is, let's say that I can attach an array of ...
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2answers
50 views

Likert Scale 3 2 1 0 1 2 3 possible?

In my questionnaire I want to ask people to score on a dimensional Likert-type scale their attitude toward a specific target group. E.g. People with .... are stupid.... intelligent. I want to use ...
2
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1answer
32 views

Performing significant difference tests in endline evaluation

we have conducted an endline survey and now comparing the result with baseline survey. I am interested to find significant difference between baseline and endline. One of sample questions is given ...
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0answers
19 views

statistically valid sample [duplicate]

If I want to pursue a social research about a service that some Universities provide, what is the minimum number of universities I should visit/contact in order to make the survey significant?
3
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0answers
41 views

Post-hoc power analysis of complex sample survey data

I am working with a complex sample survey data using Stata to determine the predictors of a given dependent variable. As part of my analysis result I want to report the post-hoc power for each ...
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0answers
29 views

Which statistical tests to perform for my survey study?

I'm designing a survey study (with non-probability sampling) with the following alternate hypotheses: Usage of the system varies among the three groups (three groups of unequal sizes) ...
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0answers
29 views

Partial least squares regression on survey data with multiple scales

I have a survey data set composed of 7 scales, each scale with 7 to 10 items. The theoretical framework I've devised uses 5 of the scales as independent variables and 2 of the scales as dependent ...
2
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2answers
128 views

R large glm with sample weights

I have a "stacked panel" data set with ~600,000 rows. While the data are compiled from a survey , the data are no longer in survey format: rather, these are person-year observations for ~100000 ...
1
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1answer
37 views

Convert categorical percentage data into an overall mean

I have survey data in which the answer choices were "categorical" (0, <15%, 15-30%, 30-45%, 45-60%, 60-75%, 75-90%, >90%). In retrospect, this should have been a free response question, but I'm ...
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1answer
15 views

Correcting multiple marginals in a subsample of a survey

My question in short: How to assign weights to a subsample of a survey in order to fit multiple features simultaneously to their original marginals? ...and now the details: I have some data set X of ...
6
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3answers
82 views

Managing 'prefer not to says' in sensitive questionnaires

Consider a questionnaire where we ask someone about their sexuality. The five options, for simplicity, are: Heterosexual Homosexual Bisexual Other 'Prefer not to say' Assume we ask the population. ...
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0answers
21 views

Regression to chose questions which better correlate with a 10 points likert like score

We have a survey with several questions with 5 likert scale points and we would like to compare the answers to those of another likert like question with 10 points. The approach we thought of is a ...
0
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1answer
22 views

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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0answers
28 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 ...
2
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1answer
33 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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0answers
15 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 ...
2
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2answers
131 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 ...
0
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1answer
31 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
37 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 ...
0
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1answer
86 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 ...