Optimal Stratification of Survey Experiments

The Problem of Optimum Stratification - Semantic Scholar

Abstract Although most applications of stratified sampling represent sampling from a finite population, π(N), consisting of k mutually exclusive ...

Stratified Sampling | Definition, Guide & Examples - Scribbr

Stratified sampling is the best choice among the probability sampling methods when you believe that subgroups will have different mean ...

The Econometrics of Randomized Experiments - ScienceDirect.com

We show how this perspective relates to regression analyses for randomized experiments. We discuss the analyses of stratified, paired, and clustered randomized ...

Finely Stratified Rerandomization Designs - Max Cytrynbaum

In this section, we study optimal linearly adjusted GMM estimation under stratified ... Optimal stratification of survey experiments. Derigs, U. ( ...

A Primer on the Analysis of Randomized Experiments and a Survey ...

We first illustrate in Section 4.1 how stratification can improve the precision of the usual difference-in-means estimator of the average treatment effect by ...

Constructing efficient strata boundaries in stratified sampling using ...

If constructed optimally, the OSB results in homogenous units within each stratum leading to optimal stratum sample sizes (OSS) as well. The OSB and OSS may not ...

Optimality of Matched-Pair Designs in Randomized Controlled Trials

We study the optimal stratification in Section 3. In Section 4, we ... Evidence from randomized survey experiments. American Economic ...

Designing Representative and Balanced Experiments by Local ...

We study combinatorial optimization procedures. (graph-partitioning) ... 4.1.1 Comparison with Optimal Stratification Trees. Recall that ...

Endogenous Stratification in Randomized Experiments

stratification”, study the related problem of biased sampling in randomized experiments. ... All in all, the repeated split sample estimator displays the best ...

The perils of balance testing in experimental design

In addition to post hoc adjusting via covariates, adjustment via post-stratification is also shown to be sub-optimal. In Section 4, we analyze a formal model in ...

A Primer on the Analysis of Randomized Experiments and a Survey ...

(2024) study regression adjustment for cluster randomized experiments without stratification ... Optimal Stratification of Survey Experiments.

Survey Experiments: Managing the Methodological Costs and Benefits

2011, 17), survey experiments offer scholars the opportunity to have the “best of both worlds.”1 On the one hand the experimental component allows scholars ...

When and how of stratification? - Cross Validated - Stack Exchange

Q1 "When is this necessary? (Aka Shouldn't pure randomization get "close enough"?)" · Q2 "Is it wrong to condition on a variable where ...

Covariate Adjustment in Stratified Experiments - Max Cytrynbaum

We study the interaction between covariate adjustment and stratification in Section 3.1 below, characterizing the optimal linear adjustment. 3 ...

Optimality of Matched-Pair Designs in Randomized Controlled Trials

(2015). II. Optimal Stratification. This section studies the optimal stratification. ... A frequent concern in experiments is attrition, meaning units in the ...

How to Randomize Using Many Baseline Variables: Guest post by ...

This takes the stratification to the limit of what is possible with half the number of strata as units in the experiment and exactly two units ...

Erratum: Optimal Stratification and Allocation for the June... - Sciendo

Benedetti, R., M. Bee, and G. Espa. 2010. “A Framework for Cut-Off Sampling in Business Survey Design.” Journal of Official Statistics ...

The Econometrics of Randomized Experiments

There have been a variety of excellent surveys of methodology for experiments in recent years. ... In this section we discuss the benefits of stratification in ...

Sampling and Experimental Design in Community Ecology

In the second example, 1 quadrat is located within each 100m x 100m grid cell of the study area. As you can see, stratified random sampling results in a more ...

A Solution to the Problem of Optimum Stratification in ... - jstor

Keywords: OPTIMUM STRATIFICATION; CLUSTER ANALYSIS; MULTIVARIATE SAMPLING. 1. INTRODUCTION. STRATIFICATION may be used in surveys for various reasons. For ...