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Related Concept Videos

Surveys02:16

Surveys

Often, psychologists develop surveys as a means of gathering data. Surveys are lists of questions to be answered by research participants, and can be delivered as paper-and-pencil questionnaires, administered electronically, or conducted verbally. Generally, the survey itself can be completed in a short time, and the ease of administering a survey makes it easy to collect data from a large number of people.
Types of Surveys01:27

Types of Surveys

Surveys are essential for marking property boundaries near water bodies. Different types of surveys are defined, each with its own function. Land surveys mark the property boundaries, while route surveys determine the position of properties on nearby highways. Topographic surveys create maps by capturing the three-dimensional features of the land. Hydrographic surveys focus on the shapes of underwater areas and the movement of streams through the properties. Mine surveys determine the relative...
Systematic Sampling Method01:17

Systematic Sampling Method

Sampling is a technique to select a portion (or subset) of the larger population and study that portion (the sample) to gain information about the population. Data are the result of sampling from a population. The sampling method ensures that samples are drawn without bias and accurately represent the population. Because measuring the entire population in a study is not practical, researchers use samples to represent the population of interest.
Systematic sampling is one of the simplest methods...
Stratified Sampling Method01:16

Stratified Sampling Method

Sampling is a technique to select a portion (or subset) of the larger population and study that portion (the sample) to gain information about the population. The sampling method ensures that samples are drawn without bias and accurately represent the population. Because measuring the entire population in a study is not practical, researchers use samples to represent the population of interest.
To choose a stratified sample, divide the population into groups called strata and then take a...
Convenience Sampling Method00:55

Convenience Sampling Method

Sampling is a technique to select a portion (or subset) of the larger population and study that portion (the sample) to gain information about the population. Data are the result of sampling from a population. The sampling method ensures that samples are drawn without bias and accurately represent the population.
Convenience sampling is a non-random method of sample selection; this method selects individuals that are easily accessible and may result in biased data. For example, a marketing...
Sample Proportion and Population Proportion01:20

Sample Proportion and Population Proportion

Collecting samples or responses from an entire population takes significant time and effort, so a researcher collects responses from only a sample of that population. Suppose a study needs to collect information about a specific mobile application. After sample collection, the researcher analyzes the data and discovers that most individuals in the sample use that specific mobile application. The sample proportion measures the number of individuals in a sample who either use or don't use the...

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Related Experiment Video

Updated: Jul 18, 2026

Qualitative and Quantitative Validation of Tools with Rating Scales Aimed at Assessing the Quality of University Service-Learning
10:39

Qualitative and Quantitative Validation of Tools with Rating Scales Aimed at Assessing the Quality of University Service-Learning

Published on: August 29, 2025

Survey return rates as a function of priority versus first-class mailing.

Christiane Brems1, Mark E Johnson, Teddy Warner

  • 1Behavioral Health Research and Services, University of Alaska Anchorage, 3211 Providence Drive, Anchorage, AK 99508, USA. cbrems@uaa.alaska.edu

Psychological Reports
|December 13, 2006
PubMed
Summary

Priority mail surveys did not yield higher response rates than First-Class mail for healthcare providers. This study suggests Priority mail is not a cost-effective method for increasing survey participation.

Related Experiment Videos

Last Updated: Jul 18, 2026

Qualitative and Quantitative Validation of Tools with Rating Scales Aimed at Assessing the Quality of University Service-Learning
10:39

Qualitative and Quantitative Validation of Tools with Rating Scales Aimed at Assessing the Quality of University Service-Learning

Published on: August 29, 2025

Area of Science:

  • Healthcare research methodology
  • Survey research methods

Background:

  • Survey response rates are influenced by perceived significance and individualized mailings.
  • Previous research suggests enhanced delivery methods may improve participation.

Purpose of the Study:

  • To investigate if Priority mail delivery increases survey response rates compared to First-Class mail.
  • To evaluate the cost-effectiveness of using Priority mail for healthcare provider surveys.

Main Methods:

  • Randomized controlled trial comparing Priority mail and First-Class mail for survey delivery.
  • 260 licensed physical and behavioral healthcare providers in Alaska and New Mexico participated.
  • Response rates were compared using Z tests of proportion.

Main Results:

  • First-Class mail achieved a 39% response rate; Priority mail achieved a 35% response rate.
  • No statistically significant difference in return rates was observed between the two mailing methods.
  • Priority mail resulted in higher costs without a corresponding increase in survey response.

Conclusions:

  • Using Priority mail for survey delivery to healthcare providers does not significantly improve response rates.
  • The increased cost of Priority mail is not justified by enhanced survey participation.
  • Standard First-Class mail is a more cost-effective option for surveying this population.