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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17 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 ...
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6 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 ...
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20 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 ...
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13 views

Construction of econometric model [closed]

I am working on my Ph.D. dessertation now. The aim of my dessertation is to compare stock indexes of two economies and find any correlation. How an econometric model should look like? I am stuck on ...
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1answer
13 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 ...
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4 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 ...
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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 ...
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24 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 ...
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1answer
26 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 ...
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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 ...
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17 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 ...
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16 views

estimate the probability of randomly clicking answers in a survey [duplicate]

People are asked to choose their favorite color among 4 colors (e.g. red, green, blue, yellow) in a survey. Among m responses, x1 are red. If we know the proportion of people who choose answer ...
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1answer
69 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 ...
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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 ...
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0answers
11 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. ...
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1answer
26 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 ...
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11 views

How do I find what the population for a survey looked like?

I have a large dataset on a population and the results of a survey conducted on individuals from some other population (don't know the relation between the two populations, there's probably some ...
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1answer
40 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 ...
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11 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, ...
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2answers
25 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 ...
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0answers
22 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 ...
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0answers
12 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 ...
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0answers
12 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 ...
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0answers
12 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 ...
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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 ...
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0answers
10 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 ...
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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 ...
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17 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 ...
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1answer
31 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 ...
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1answer
32 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 ...
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1answer
32 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 ...
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1answer
50 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, ...
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1answer
29 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 ...
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0answers
16 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 ...
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1answer
62 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 ...
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20 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 ...
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54 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 ...
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1answer
22 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 ...
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21 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 ...
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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. ...
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25 views

When pooling two different samples from the same population together do have I to adjust my weights?

I have two different data sources (different surveys) from two different years (2010 and 2012) which are on the same population. As both surveys are representative of the population and have questions ...
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15 views

A measure for level of experience [closed]

For a survey about mountain bike injuries I would like to obtain some information to allow me to quantify the level of experience of the rider. Ideally I would want to end up with some kind of ordinal ...
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1answer
27 views

How do I control for changes in rating methods in this study?

I'm performing a study where subjects rate their perceived, subjective intensity of a stimulus presented to them at different magnitudes. To submit a rating, they click on on a logarithmic scale ...
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10 views

Paired test (non-independent) for rank order data

I have responses from a survey with questions where respondents were asked to rank their top 3 choices from a list of 8 choices. An example of the type of question would be to rank their top 3 methods ...
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1answer
69 views

Missing Data (mice) and Survey Package r

First, I am new to analyzing public opinion polls and the r package "Survey". I would like some advice. I am running a regression model with weights from a Pew survey, however, I noticed that a ...
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50 views

SEM with categorical complex survey data adjusting for cluster effect

My data comes from a two stage stratified cluster sample. There are some categorical (ordinal) manifest (dependent/endogenous) variables. I believe these variables can be divided into three major ...
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15 views

Chi squared test on multiple survey responses?

I have completed a questionnaire using a variety of categories (i.e. some questions are yes/no, some are a different categories etc.). I want to find out whether there is a relationship between age ...
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34 views

Exact Confidence Interval for Proportion Estimated with Cluster Sampling

Can anyone suggest a reference that discusses how to calculate an exact confidence interval (i.e., does not use the normal approximation) for a proportion estimated from a single stage cluster sample ...
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1answer
10 views

Calculating age-adjustments for column percents

I am having trouble understanding how SUDAAN calculates adjusted column percents and I'm hoping someone can explain. Let's say I have 3 variables, gender(M/F), happyness (binary happy/sad), and age ...
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23 views

Regression on Survey analysis across 50 states

I ran a survey across all 50 states in the US. The goal is to see if there is a correlation between people's love for the state and the population growth % over 5 years. The survey has 15 questions - ...