Convenience Sampling
Convenience Sampling - Related Videos
00:55
Convenience Sampling Method
0 Views •
2023
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...
08:46
Preparation and Reactivity of a Triphosphenium Bromide Salt: A Convenient and Stable Source of Phosphorus(I)
0 Views •
Cited by 4 •
2016
The synthesis of a triphosphenium bromide salt is described and its use as a P+ transfer agent is outlined by reactions with an N-heterocyclic carbene and an anionic bisphosphine, yielding an NHC-stabilized P(I) cation and a P(I) containing zwitterion, respectively.
11:33
V3 Stain-free Workflow for a Practical, Convenient, and Reliable Total Protein Loading Control in Western Blotting
0 Views •
Cited by 53 •
2013
V3 workflow is a western blot procedure using stain-free gels. The stain-free technology allows researchers to visualize protein separation quality, to verify the transfer efficiency, and most importantly, to validate the change in the protein of interest using total protein quantification as a reliable loading control.
06:55
An Integrated Method for Crafting Flexible and Convenient Electrophysiological Optrodes for Multi-Region In Vivo Recording
0 Views •
2024
We have developed a simplified and cost-effective approach for electrode fabrication and conducted recordings of signals across multiple regions in freely moving mice. Utilizing optogenetics, alongside multi-region electrophysiology and calcium signal recording, enabled the revelation of neuronal activities across regions in the seizure kindling model.
07:09
A Convenient and General Expression Platform for the Production of Secreted Proteins from Human Cells
0 Views •
Cited by 17 •
2012
In the post-human genomics era, the availability of recombinant proteins in native conformations is crucial to structural, functional and therapeutic research and development. Here, we describe a test- and large-scale protein expression system in human embryonic kidney 293T cells that can be used to produce a variety of recombinant proteins.
FAQs
Selection bias arises when the people who are easiest to reach differ in relevant ways from the wider population. A sample drawn from available students, volunteers, patients, or online respondents may therefore overrepresent some experiences or characteristics. The resulting findings can describe the recruited group accurately while still failing to generalize to the broader population.
An unknown selection probability prevents researchers from treating the sample as a statistically representative cross-section of the target population. Consequently, observed patterns may reflect who happened to be accessible rather than patterns that would appear across the broader group. Interpretation should therefore remain tied to the recruited participants, with claims beyond them made cautiously.
The recruitment setting determines who is readily reachable and can strongly influence which perspectives enter the study. Student recruitment may produce one type of participant, whereas access through patients, volunteers, or online respondents may produce another. Time limits, available resources, and basic eligibility criteria further narrow the group from which data are collected.
Researchers should report the recruitment procedures rather than describing the sample only in general terms. The account should make clear how participants were accessed and what basic study criteria they needed to meet. Such reporting allows readers to judge how availability shaped the sample and to assess whether the conclusions should extend beyond the participants studied.
This approach is particularly useful for pilot studies, classroom research, questionnaire development, and early testing of hypotheses. In these settings, researchers may need preliminary data or an initial evaluation before investing in broader work. Convenience recruitment can make that first stage feasible when time, participant access, or research resources are limited.
Findings should be treated as informative about the recruited participants, but not automatically as evidence about the broader population. Selection bias and limited representativeness can restrict generalizability, even when data collection is efficient. Researchers should state these limitations clearly and avoid overstating conclusions, particularly when using early results to guide later psychological research.