Questions tagged [survey-sampling]
Creating samples from a well-specified population (human: all adults; registered voters; individuals with diabetes; students of a university; establishment: all firms; firms with employment of 200 or more in New York City; resource: all land of a country or a state/province) using a probabilistic method, with the purpose of inference to that specific population
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Combining Survey Weights
I have an annual survey that is somewhat complex in design. Sample frames are pulled quarterly and overlap. Each quarter's sample is removed from the subsequent quarter's frame. Samples are stratified ...
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Can you build up statistical validity with multiple month's worth of the same survey questions?
The company I work for conduct consulting where we analyse company survey responses for statistical validity against the general company population.
To prevent survey fatigue, the company sends out ...
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Sample size for survey
My interest is to perform a statistically significant survey on a population of 1700 people, that can be described in different categories, so each person belongs to only one category.
I have two ...
user412668
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Multi-level Model and Multi-level Data
I have a question about multi-level models with multi-level survey data. I am working with survey data that has a two-stage sampling design with primary sampling units defined as schools randomly ...
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Statistical Non-Response and Drop Out
In statistical studies, it is possible that there might be biases:
Someone groups of people are more likely to be represented compared to others groups of people (e.g. poorer people have difficult ...
user412241
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Studying more than one sampling unit in a single randomization
So we have a list of organizations that dedicate themselves to a certain social service.
Our goal is to ask both laborers and customers an overlapping(but not fully) set of questions for each one of ...
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Is naive mean estimator uniformly worse than HT (IPW) or Hajek estimators in survey sampling? If not, why is it less discussed in the literature?
Consider a toy example: we are interested in the average height of $n$ students $\bar{\tau}=\frac{1}{n}\sum_{i=1}^n\tau_i$, but for some reason, we can only access a random subset $S$ of it. Every ...
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Sample a random subgraph from an undirected, unweighted graph, what's the probability of "every two nodes's distance is at least 3 in the subgraph"?
This may be a problem in sampling theory or graph theory. I have done many research but I still didn't find valid solutions.
I know a simple random sample is representative of the population. Now I ...
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Use calibration weights to correct for unit non-response bias?
I have a question about how calibration weights can be used to sufficiently correct for unit non-response bias. Suppose the sample is s and the response set is r.
Calibration is applied to the ...
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In stratified sampling, why is the stratum population variance obtained by dividing by 1 less than the stratum size
I am aware that flavors of this question get asked a lot, for e.g., here. I am fine with the sample variance being divided by $n-1$ and that is what makes it an unbiased estimator of the population ...
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What weight to use for using NAMCS and NHAMCS together?
I am interested in analyzing the total prescription of aspirin in NAMCS and NHAMCS (https://www.cdc.gov/nchs/ahcd/index.htm) during a given year for all visits. NAMCS and NHAMCS each had a weight and ...
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Reliability of online surveys
I'm trying to get an idea about reliability of online surveys: I found some indication that "internet-based surveys produce data that is at least as reliable, valid, and of equal quality as data ...
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Sampling inquiry for thesis [closed]
I have a mixed-method thesis ongoing and I plan collecting data on my own college (namely college X), specifically from students and faculty members on my department. Evidently, that would be ...
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comparing two samples drawn using two different sampling methods
This is a hypothetical question, so I don't have a lot of additional details to give. However my question is pretty straightforward:
Is it theoretically valid to conduct tests (e.g. for comparing ...
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Can I add a variable to a complex sample, and run a regression?
In a survey, a complex sample was collected, and the sample was designed to provide estimates at national level. In other words, individuals from one state were more likely to be sampled due to ...
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