Search results
Results from the WOW.Com Content Network
Plot with random data showing heteroscedasticity: The variance of the y-values of the dots increases with increasing values of x. In statistics, a sequence of random variables is homoscedastic (/ ˌ h oʊ m oʊ s k ə ˈ d æ s t ɪ k /) if all its random variables have the same finite variance; this is also known as homogeneity of variance ...
The AUT measures a certain level of divergent thinking; exploring multiple answers using creativity [1] It doesn't compare to a traditional test that looks for a specific solution. [citation needed] As a result, from the AUT it is measured in four ways: [citation needed] Fluency: the number of other uses you can think of, from the original object
A permutation test (also called re-randomization test or shuffle test) is an exact statistical hypothesis test making use of the proof by contradiction. A permutation test involves two or more samples. The null hypothesis is that all samples come from the same distribution : =.
A randomness test (or test for randomness), in data evaluation, is a test used to analyze the distribution of a set of data to see whether it can be described as random (patternless). In stochastic modeling , as in some computer simulations , the hoped-for randomness of potential input data can be verified, by a formal test for randomness, to ...
Spontaneous alternation testing is a behavioral assessment method derived from SAB. It is used to investigate exploratory behavior [4] and cognitive function (related to spatial learning and memory). [4] [5] These assessments are most often done with non-human animals.
A wide range of research methods are used in psychology. These methods vary by the sources from which information is obtained, how that information is sampled, and the types of instruments that are used in data collection. Methods also vary by whether they collect qualitative data, quantitative data or both.
Mental Measurements Yearbook [98] - a non-profit that provides independent reviews of thousands of distinct psychological tests. Assessment Psychology Online has links to dozens of tests for clinical assessment. [99] International Personality Item Pool (IPIP) contains items to assess more than 100 personality traits including Five Factor Model ...
This test procedure is based on the statistic whose sampling distribution is approximately a Chi-Square distribution with (k − 1) degrees of freedom, where k is the number of random samples, which may vary in size and are each drawn from independent normal distributions. Bartlett's test is sensitive to departures from normality.