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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19 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
12 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 $i$ ...
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2answers
36 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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0answers
16 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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13 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
22 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
28 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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0answers
24 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
21 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
11 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
81 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
46 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 ...
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1answer
29 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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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?
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28 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
21 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
17 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 ...
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1answer
34 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 ...
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3answers
79 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
20 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 ...
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1answer
17 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
25 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
28 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 ...
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2answers
81 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 ...
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1answer
30 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
35 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 ...
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1answer
85 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 ...
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0answers
17 views

Three stage cluster sampling

I was just curious if anyone knew where to find information on three-stage cluster sampling. There is a significant amount of information on two-stage cluster sampling, but I am unable to find ...
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1answer
66 views

Convert a 1-9 scale average to a 1-5 scale average

I am new at this and could use some help with a conversion. Survey participants were given the answer choices on a ranking scale of 1-9 for each question. We then averaged the results for each ...
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0answers
16 views

adaptive surveying for a maximal income that depends on a parameter

I have a product that I would like to price for the highest income. The income $I$ from this product will depend on the asking price $c$: $$ I(c) = N \cdot E(c)$$ where $E(c)$ is the expected ...
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0answers
14 views

model post-event misinformation effect on eyewitness?

I'm trying to model post event misinformation. The questions i have is the factors affecting it. and a psychological way of assessing it.
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0answers
26 views

Consequence of order in a classification (top N list which is ordered by mark)

I refer to all the kind of lists which are presented in a particular order, imagining a situation in which users respond to these lists by adding their votes. Let's make some example: ...
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8 views

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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0answers
33 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
492 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
69 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 ...
4
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0answers
29 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
48 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 ...
0
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1answer
23 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 ...
7
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1answer
171 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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0answers
20 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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0answers
14 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 ...
1
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1answer
32 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 ...
1
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1answer
62 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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0answers
26 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 ...
0
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1answer
129 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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0answers
27 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
21 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 ...