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paired samples

См. также в других словарях:

  • Student's t-test — A t test is any statistical hypothesis test in which the test statistic follows a Student s t distribution if the null hypothesis is supported. It is most commonly applied when the test statistic would follow a normal distribution if the value of …   Wikipedia

  • Quantitative marketing research — is the application of quantitative research techniques to the field of marketing. It has roots in both the positivist view of the world, and the modern marketing viewpoint that marketing is an interactive process in which both the buyer and… …   Wikipedia

  • Center for International Blood and Marrow Transplant Research — Center for International Blood Marrow Transplant Research (CIBMTR) 350px Type Private Research Firm Industry Research Founded Milwaukee, WI (July 1, 2004) Minneapolis, MN (July 1, 2004) Founder(s) Dr. Mary M. Horowitz Dr. Dennis L. Confer …   Wikipedia

  • Differential display — (also referred to as DDRT PCR or DD PCR) is the technique where a researcher can compare and identify changes in gene expression at the mRNA level between any pair of eukaryotic cell samples. The assay may be extended to more than one pair, if… …   Wikipedia

  • Liquide synovial — Le liquide synovial (provenant du nom ovum, se traduisant par œuf), ou synovie est un liquide produit par la membrane synoviale. Ce liquide est visqueux, transparent ou jaune pâle, d où son nom évoquant du blanc d œuf cru. Le liquide synovial est …   Wikipédia en Français

  • Discrimination testing — is a technique employed in sensory analysis to determine whether there is a detectable difference among two or more products. The test uses a trained panel to discriminate from one product to another. Contents 1 Statistical basis 2 Types of test… …   Wikipedia

  • metamorphic rock — Any of a class of rocks that result from the alteration of preexisting rocks in response to changing geological conditions, including variations in temperature, pressure, and mechanical stress. The preexisting rocks may be igneous, sedimentary,… …   Universalium

  • Life Sciences — ▪ 2009 Introduction Zoology       In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… …   Universalium

  • DNA microarray — A DNA microarray (also commonly known as gene chip, DNA chip, or biochip) is a collection of microscopic DNA spots attached to a solid surface. Scientists use DNA microarrays to measure the expression levels of large numbers of genes… …   Wikipedia

  • spectroscopy — spectroscopist /spek tros keuh pist/, n. /spek tros keuh pee, spek treuh skoh pee/, n. the science that deals with the use of the spectroscope and with spectrum analysis. [1865 70; SPECTRO + SCOPY] * * * Branch of analysis devoted to identifying… …   Universalium

  • Physical Sciences — ▪ 2009 Introduction Scientists discovered a new family of superconducting materials and obtained unique images of individual hydrogen atoms and of a multiple exoplanet system. Europe completed the Large Hadron Collider, and China and India took… …   Universalium

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