What is pairwise comparison

Perhaps most well-known is Student's t test, which is typically used for inferring from two samples if there exists a difference between the corresponding population means or, in the case of only one sample, determining if the population mean differs from some fixed constant.

As an example, Show page numbers Download PDF. Search form icon-arrow-top icon-arrow-top. Page Site Advanced 7 of Edited by: Neil J. Synonyms Follow-up tests ; Mean differences ; Planned comparisons ; Post hoc tests. Alternatively, comparisons i.

This is a preview of subscription content, log in to check access. Dunnett, C. A multiple comparison procedure for comparing several treatments with a control. Journal of the American Statistical Association, 50 , — Google Scholar. Keppel, G. This is a paradoxical situation known as Arrow's Paradox in that it makes no sense.

Generally, this happens when people work individually rather than in teams. No matter what else happens, however, it is essential that all stakeholders in a design agree to the actual weights. Pairwise comparison is therefore best done in teams and not individually. Salustri has a simple Google spreadsheet that can be copied and used as a template for carrying out a pairwise comparison task. The sheet will track the sums and percentages for you; all you have to do is list the criteria and make the actual comparisons.

Remember to enter into the cells the letters corresponding to the attributes themselves not the column letters. You may only change cells that have a white background; do not change anything in gray cells, or you will break the spreadsheet.

Site Tools Search. Design roadmap. General Info. Wiki Doc. Table of Contents Introduction. Identify the criteria to be ranked. Arrange the criteria in a square matrix. Compare pairs of criteria across rows. Here are some examples: Planning a Vacation: your criteria might be cost, number of locations visited, quality of the locations, travel time as a fraction of total vacation time, and closeness to foreign friends and family.

Which one of these is most important? How can you plan your vacation to optimize your enjoyment? If you have many dear family members wherever you want to travel, you will likely choose to weigh that criterion more heavily than a friend of yours travelling to the same place but who has no family at all there.

Choosing a Job Offer: your criteria might be salary, benefits, opportunity for advancement, location, travel times, stock options and other incentives, viability of the company, and working atmosphere. Which is most important? How can you increase the likelihood of choosing the best job? Designing a Toaster: your criteria are cost, quality, expected product life, reliability, manufacturability, aesthetics, and safety. How do you choose the best design with respect to all these criteria?