Search results
Results from the WOW.Com Content Network
If the correlation between separate administrations of the test is high (e.g. 0.7 or higher as in this Cronbach's alpha-internal consistency-table [6]), then it has good test–retest reliability. The repeatability coefficient is a precision measure which represents the value below which the absolute difference between two repeated test results ...
Reproducibility, closely related to replicability and repeatability, is a major principle underpinning the scientific method.For the findings of a study to be reproducible means that results obtained by an experiment or an observational study or in a statistical analysis of a data set should be achieved again with a high degree of reliability when the study is replicated.
English: :Average test score in mathematics and science vs. GDP per capita Shown on the x-axis are Hanushek and Woessmann's combination of scores from international student achievement tests. The scores are standardized to the PISA test scale, so that the OECD countries have a mean of 500 and a standard deviation of 100.
In engineering, science, and statistics, replication is the process of repeating a study or experiment under the same or similar conditions. It is a crucial step to test the original claim and confirm or reject the accuracy of results as well as for identifying and correcting the flaws in the original experiment. [1]
ANOVA gauge repeatability and reproducibility is a measurement systems analysis technique that uses an analysis of variance (ANOVA) random effects model to assess a measurement system. The evaluation of a measurement system is not limited to gauge but to all types of measuring instruments , test methods , and other measurement systems.
English: :PISA test score- Mean performance on the science scale Average score of 15-year-old students on the PISA science scale. The metric for the overall reading scale is based on a mean for participating OECD countries set at 500, with a standard deviation of 100.
In the fields of science and engineering, the accuracy of a measurement system is the degree of closeness of measurements of a quantity to that quantity's true value. [3] The precision of a measurement system, related to reproducibility and repeatability, is the degree to which repeated measurements under unchanged conditions show the same results.
A readability survey is a statistical survey of the ability of people to read given passages of text, written, formatted and/or laid-out in a variety of styles. The intent is to discover which are the preferable styles to use in order to maximise the ability of the reading audience to receive the intended message.