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 ...

learn more… | top users | synonyms (2)

0
votes
0answers
4 views

Difficulties fitting a Cox PH model with categorical interactions to complex survey data

I'm attempting to fit a Cox proportional hazards model to a set of NHANES data; the code to load and clean the data is here, and the resulting dataset is here. The difficulty I'm having is ...
0
votes
0answers
16 views

Weighting components in questionnaire?

I'm working on a questionnaire that is built on 3 large divisions that each exist out of multiple questions (mostly of the likert-scale or categorical type). My research question is what the ...
0
votes
0answers
4 views

Modern Introduction to Orthogonal Density Estimators [on hold]

I've found an abundance of papers about the subject, but most of them are rather dated, Most Notably [1]. There's a good review from 1991 [2], but it is very brief and insufficient for research level ...
1
vote
1answer
16 views

Test Retest of highly skewed dichotomous variables

Does anyone have recommendations on how to evaluate test retest reliability with 95% CI (individuals took the same survey 1 week apart) on data that is dichotomous (yes = 1; no = 0) where the data is ...
0
votes
0answers
28 views

calculate weights [on hold]

I have a local representative database, in which the sampling is similar to European Health Interview Survey sampling and it is related to T2DM. By which formula can I calculate weights? Do I need ...
0
votes
0answers
21 views

When to use ANOVA in questionnaire analysis

As part of my dissertation I have used multiple outcome measures to assess pain, sleep, mood and general health in a chronic pain population. I have correlated some of the measures together to see ...
0
votes
1answer
124 views

PCA vs FA vs ICA for dimensionality reduction in questionaire data

I am trying to identify personality traits underlying the multidimensional data from a questionnaire. In more abstract terms this means reducing the dimensionality of my data from N-dimensional (where ...
2
votes
1answer
40 views

Is the margin of error for a survey a “fake” statistic?

When I conduct a survey for a client, they are often very concerned about the margin of error for the survey, and that’s totally reasonable. Oftentimes however, when they say, “We want a margin of ...
3
votes
1answer
52 views

Cross validation after LASSO in complex survey data

I am trying to do model selection on some candidate predictors using LASSO with a continuous outcome. The goal is to select the optimal model with the best prediction performance, which usually can be ...
3
votes
0answers
14 views

How to deal with implausible answers to filter questions? [duplicate]

I work with a questionnaire that contains a variety of filter questions. In the following I will give an example how one block of this successive questions look like. Have you ever skipped ...
0
votes
0answers
10 views

In testing Heteroscedasticity, when should I use Park Test or Glejser Test?

I am currently running a data analysis on survey data. In testing the heteroscedasticity assumption in Multiple Linear Regression, using Park Test, the research actually passed the test. However, when ...
0
votes
0answers
19 views

Use of weights in PROC GLIMMIX

I am looking to implement a generalised linear mixed model in SAS using PROC GLIMMIX. The data is from a survey, and a single ...
0
votes
0answers
3 views

How do you determine if a self-report subscale is influencing the overall self-report score's significant relationship?

I'm running a series of independent samples t-tests with a self-report and its subscale scores as the dependent variable. Both the overall score and one of the subscale scores show signficantly ...
1
vote
1answer
30 views

Does non-response bias affect the validity of a statistical model?

I want to build a (generalised linear mixed) model on some survey data. The PROC GENMOD command in SAS doesn't admit weighting in the sense of survey weights. I am not interested in population-level ...
0
votes
0answers
7 views

Why I can not perform a Haussman test with pweight data?

I am studying the effect of mobile phone over household development (development as a dependent variable and mobile as a independent). I have a datas et of micro data that are weighed and i am working ...
0
votes
0answers
22 views

Determining the required sample size to meet a bound

A company produces a special kind of utility terminals. It has N = 26016 such terminals out in the field in some city for many years. Over time these utility terminals go bad. The company decides to ...
1
vote
1answer
20 views

Is there a reasonable way to calculate when missing responses in a survey are too much?

I'm conducting analyzing a complex sample design survey of health institutions, which I've 70% of the overall planned sample. However, I've strata as high as 95% and as low as 47% response rate. To ...
0
votes
0answers
5 views

Evaluate (user-defined) variance estimators in simulation environment?

I'd like to examine how a variance estimator that I constructed for complex surveys behaves in simulation environments, in a manner similar (and perhaps much simpler) to what Li and Levy (2009) at the ...
0
votes
0answers
12 views

Regular expression for replicate weights in complex survey R package [migrated]

I was using the survey package in R for analyzing data from the National Crime Victimization Survey. Thomas Lumley's book Complex Surveys: A guide to analysis using R and the help files in his survey ...
1
vote
0answers
26 views

Looking for “Data gathering is hard and expensive”

I've finished some data mining and machine learning courses and in most of them at the very beginning has been said: "Collecting and pre-processing data is the most expensive and hardest part of the ...
0
votes
1answer
32 views

Factor analysis in Market Research

I am doing a survey to find out customer experience/satisfaction for a specific product. My survey contains a scaling question in which i asked satisfaction level (from 1 to 5) 5 being very ...
1
vote
0answers
5 views

Use 2-measure difference score as primary predictor, or use single measure constructed to assess a difference?

I'm looking for help on a research design question. A colleague and I are looking to examine perceived attractiveness of oneself relative to the "average person" as a predictor of an outcome ...
1
vote
0answers
20 views

Which is the most appropriate analysis

I'm doing my first research and collected quite a large number of response using a questionnaire. In this questionnaire, the dependent variable is assessed using 4 questions with a 5-Likert scale ...
1
vote
1answer
75 views

How do I test if the average difference between two groups are statistically significant?

Suppose I conduct a survey of 1000 males and 1000 females about their age and I found that the average male age is 50 while the average female age is 40. What information do I need and how do I test ...
0
votes
0answers
8 views

Survey sample size

I am trying to learn something about survey design and analyisis and I have a doubt about the number of people that should answer a multipurpose survey in order to estimate several proportions. If a ...
0
votes
0answers
14 views

rotation.design: change suggested questionnaire in R

I want to conduct a choice-based conjoint analysis. I made the questionnaire in R with the package support.CEs. Because of the number of levels and attributes, I will use fractional factorial design. ...
2
votes
1answer
30 views

How to calculate cohen's d (and CI) for survey data

I am working with the TIMMS and PIRLS data. Both data sets use a Jackknife repeated replication design. Both data sets also use 5 plausible values for each student's grade (5 values with different ...
1
vote
1answer
44 views

Controlling for biased audiences in online surveys

For a long time I have been meaning to set up a bunch of online surveys asking a whole range of social questions and publish the results. I am well aware that there are various difficulties to ...
0
votes
0answers
14 views

How to tell if the survey is good enough/valid?

I just used 15-items questionnaires X which has never been used in my culture C. I've found that in my sample (n=150) α = .77, principal component analysis with 5 factors more than 1 eigenvalue, ...
1
vote
2answers
29 views

R svyquantile confidence intervals not returned

Using the very nice survey package in R, I am having some trouble with the svyquantile function. From the function documentation it appeared to me that I could obtain confidence intervals for ...
2
votes
0answers
24 views

comparing survey responses

I have requested 30 participants to answer the same question about 100 images: "How easy is it for you to recognize this image?" on a scale from 0 to 100, where 0 is easy and 100 is difficult. I want ...
0
votes
0answers
13 views

How do I evaluate the impact of sample bias on the generalizability of my findings?

I am performing a regression analysis to identify predictors for my DV, using survey data. When comparing auxiliary information on my participants (in my case firm size and industry) to the available ...
1
vote
0answers
13 views

How to analyze survey data with irrelevant category

I have data from a survey about people's joy from life, and what gives them joy. The questionnaire consist of 20 questions, with a scale similar to likert scale, where 1 - irrelevant, 2 - doesn't ...
0
votes
0answers
14 views

Is there a goodness of fit test for Poisson regression with complex survey data?

I am doing an analysis of complex survey data using a binary response variable and several covariates. I am using Poisson with robust standard errors to obtain relative risks. Is there an ...
0
votes
0answers
8 views

Guides to combining surveys?

I'm seeking advice about combining multiple surveys. I've looked over a few websites and the relevant posts on StackExchange already, but have not come across either (a) books or guides (preferably ...
1
vote
0answers
12 views

Neural Networks for dynamic survey questions?

As a part of my project, I have to ask survey questions to a set of people. I would like instead of a static survey where everybody is asked the same questions, but for the questions to be tailored to ...
0
votes
0answers
8 views

Biases in subjective survey

What are the commonly observed biases in survey and are there any statistical or non-statistical methods to avoid it? I am conducting a survey for automobile seat comfort, I think my current ...
1
vote
1answer
28 views

Sample survey: can I weight back to the target population from the survey population?

I am working for an organization that regularly polls its members. In a previous study, the researchers started with a target population frame of 50,000 people. They then eliminated 15,000 on the ...
0
votes
1answer
39 views

Ranking questions based on how many participants answered “yes”

I have some data from a survey. In one question of the survey, participants were asked to choose one of nine objects from a given list. They then answered several "yes" and "no" questions about that ...
3
votes
1answer
38 views

R survey package: finite population correction affects point estimate in addition to the variance estimate?

Forgive me if this is an idiot question, but I believed that including a finite population correction parameter in the R survey package should only impact my variance estimates in a stratified sample ...
0
votes
1answer
38 views

Analysis of Categorical and Likert-Like Survey Data

I'm about to have data from intercept surveys conducted in parks. The goal of the survey is to determine which characteristics of parks users find most important to park quality (do they care a lot ...
1
vote
2answers
71 views

Estimating proportions & 95% CIs with clustered data from very few clusters

What are the best method(s) to estimate a proportion and its associated 95% confidence interval (ideally with an option for an exact method to avoid values +/- 100 or 0) when the data are clustered, ...
0
votes
1answer
33 views

how to adjust (possibly rake) weighted data for a single variable without modifying the survey weights?

i have a data set that's considered the best survey for a series of questions. therefore, i do not want to re-weight the survey -- and i cannot use any of the techniques described on ...
0
votes
0answers
18 views

Lower Cronbach's alpha when adding in reverse coded items

I have been working on some scale development and have administered a series of questions in different phases. The last time I administered the questions I had good structural validity and reliability ...
0
votes
1answer
65 views

Does this qualify as an experiment?

I have to do an AP Statistics project, and I must conduct an experiment. I am having trouble as to whether or not my idea would qualify as an experiment: To find out if students really know ...
0
votes
0answers
21 views

analysing 7 point likert scale data

I do not have any background in statistics. however, I am conducting research for my thesis. I have gathered 32 data (initially) and I need to present primary data to my professor, I am using Excel to ...
0
votes
0answers
59 views

how to compute a simple t-test on multiply-imputed survey data

This is a methods question and not a programming question but I have included R code that replicates what I am after up until the point of the problem. Say that I have a multiply-imputed survey data ...
0
votes
1answer
25 views

Household Surveys: When is a sub sample 'too small'?

Imagine you have completed a nationally representative survey. You stratified the sample in such a way that you have sufficiently large samples of boys, girls, adult males and adult females. Let us ...
1
vote
0answers
25 views

How meaningful is to pool data from different surveys on the same target population?

Apologies for cross posting This is a very theoretical question for me but I would like to find an answer as I might want to use this in the (near) future. In many cases same questions are used in ...
0
votes
1answer
29 views

Design question: longitudinal data from single sampling point?

I've designed a questionnaire and am now wondering what the appropriate term would be to describe the design. Participants complete the instrument once. So in that sense it is not longitudinal. ...