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         Pearson Egon:     more books (15)
  1. The Sources and Nature of the Statistics of the United Kingdom.Volume 1 and 2. With a Foreword by Egon Pearson. by Maurice [Ed] Kendall, 1957-01-01
  2. Joint Statistical Papers by Jerzy; Pearson, Egon Sharpe Neyman, 1966-01-01
  3. Table of the Logarithms of the Complete -Function (for Arguments 2 to 1200, I.E. Beyond Legendre's Range): -1922 by E. S. (Egon Sharpe) Pearson, 2009-07-24
  4. The Sources and Nature of the Statistics of the United Kingdom (Volumes I and II by Maurice G.; Hill, Bradford A.; Pearson, Egon S. Kendall, 1952
  5. On the Problem of the most Efficient Tests of Statistical Hypotheses. by Jerzy (1894-1981), & Egon S. PEARSON (1895-1980). NEYMAN, 1933-01-01
  6. Neyman?Pearson Lemma: Lemma, Statistical Hypothesis Testing, Likelihood-ratio Test, Jerzy Neyman, Egon Pearson
  7. The selected papers of E.S. Pearson by Egon Sharpe Pearson, 1966
  8. The selected papers of E. S. Pearson by Egon Sharpe Pearson, 1966
  9. Biometrika tables for statisticians by Egon Sharpe Pearson, 1954
  10. 'Biometrika' tables for statisticians by Egon Sharpe Pearson, 1966
  11. Biometrika Volume 34 1947 by Egon S Pearson, 1947-01-01
  12. Statistical Research Memoirs: Volume I & II (Author's Copy) by Jerzy; Pearson, Egon S. (editors) Neyman, 1938
  13. Table Of The Logarithms Of The Complete -function (for Arguments 2 To 1200, I.e. Beyond Legendre's Range)
  14. Table of the logarithms of the complete -function (for argumen by Pearson. E. S. (Egon Sharpe). 1895-1980., 1922-01-01

41. Untitled Document
Translate this page pearson, egon(1895 - 1980). egon pearson fue el único hijo de Karlpearson. egon ayudó a desarrollar teorías concernientes con
http://correo.puj.edu.co/probabilidad/historia/historia.htm
Historia de la probabilidad
CARDANO, Girolamo (1501 - 1576)GALILEI, Galileo(1564 - 1642)
PASCAL, Blaise(1623 - 1662)FERMAT, Pierre de(1601 - 1665)
HUYGENS, Christian (1629 - 1695)
BERNOULLI, Jacob(1654 - 1705)
LAGRANGE, J.L.(1736 - 1813)
LAPLACE, Pierre S.(1749 - 1827) y de MOIVRE, Abraham(1667 - 1754)
GAUSS, Carl F.(1777 - 1855)
POISSON, S.(1781 - 1840)
CHEBYSHEV, P.L.(1821 - 1894)MARKOV, Andrei(1856 - 1922)LYAPUNOV, A. M.(1857 - 1918)
EINSTEIN, Albert(1879 - 1955)RUTHERFORD, Ernest(1871 - 1937)CHARLIER, Carl(1864 - 1934) PEARSON, Karl(1857 - 1936) GOSSET, William FISHER, Ronald(1890 - 1962) PEARSON, Egon(1895 - 1980) NEYMAN, Jerzy(1894 - 1981) KOLMOGOROV, Andrei(1903 - 1987) WIENER, Norbert(1894 - 1964)

42. Lemma Von Neyman-Pearson
egon pearson (1895-1980
http://www.mathematik.uni-ulm.de/stochastik/lehre/ss02/statistik1/skript/node69.
Next: Konsistenz und relative Entropie Up: Gleichmäßig beste Tests Previous: Neyman-Pearson-Tests Contents

Lemma von Neyman-Pearson
Außerdem kann man zeigen, daß es für jedes einen NP-Test zum Niveau gibt, der dann gemäß Theorem bester Test in der Familie aller (randomisierten) Tests zum Niveau ist. Außerdem ist der NP-Test zum Niveau in einem gewissen Sinne eindeutig bestimmt. Dieser Existenz- und Eindeutigkeitssatz wird in der Literatur das Fundamentallemma von Neyman-Pearson genannt; zu Ehren von Jerzy Neyman (1894-1981) und Egon Pearson (1895-1980), der Sohn des Statistikers Karl Pearson. Theorem 4.2
Für jedes gibt es ein und einen NP-Test mit Sei ein weiterer bester Test zum Niveau . Dann gilt
für fast jedes , wobei und der gemäß Teilaussage existierende NP-Test zum Niveau ist. Die Ausnahmemenge in , für die nicht gilt, hat sowohl bezüglich als auch bezüglich die Wahrscheinlichkeit 0.
Beweis
  • Um die Gültigkeit von Teilaussage 1 zu beweisen, genügt es wegen ( ) zu zeigen, daß es reelle Zahlen und gibt, so daß

43. Texto
Translate this page Fisher hostilizando egon pearson, filho de Karl, que foi o co-autor do lema de Neyman-pearson fundamento de toda a teoria moderna de testes de hipóteses.
http://www.infoassimetrica.hpg.ig.com.br/Texto41.htm
Prof. Paulo Pichetti
Felizmente, existem os descontentes.

44. History Of Correlation And Association
of papers published through 1924 criticizing the application of the c 2 test tocontingency tables when the true distribution was unknown (pearson, egon 79).
http://www.ivwnet.com/~fishing@ivwnet.com/corr.htm
The Development of Correlation and Association in Statistics
Jake D. Brutlag fourth revision 3/10/98
    The object of statistical science is to discover methods of condensing information concerning large groups of allied facts into brief and compendious expressions suitable for discussion Sir Francis Galton (1822-1911)
One historical motivation for the field of statistics was to capture the meaning of data in "brief and compendious expressions." It is one thing to glance at a table of numbers and claim "I see some meaning here"; it is quite another to demonstrate such a table constitutes evidence for a particular conclusion. In the study of two random variables measured in the same sample, correlation measures the degree to which the two measures are linearly related. A related concept is the regression model, in which the goal is to find a linear equation that best predicts the value of one variable (or measurement), given the value of the other variable. The best estimate of the slope in the regression model, y = b(x) + a, is related to the correlation coefficient, r, by: where, s is the sample standard deviation of y and x respectively (Frank 128).

45. Maurice LaMarche
Man Pinky, Elmyra the Brain (1998) voice of The Brain Extreme Ghostbusters (1997)- voice of egon Spengler Pepper Ann (1997) - Chuck pearson Hey Arnold!
http://www.tvtome.com/tvtome/servlet/PersonDetail/personid-8814
Maurice LaMarche
Links IMDb Info
Biographical Information Birthday: March 30, 1958
Birth Place: Toronto, Canada
Notes
  • Voted "Most Likely to Be Someone Else" by his Toronto high school classmates. Only the third person in history, and the second in the last 50 years, to be the official voice of Popeye. Voices Toucan Sam, Fruit Loops' animated spokes-bird.
  • Dubbed the voice of Orson Welles (played by Vincent D'Onofrio) in the film "Ed Wood", but was not credited.
  • His most famous performance is the voice of Brain (aka "The Brain") in the cartoon show, "Pinky and the Brain".
  • Spouse: Robin Eisenman (19 May 1991 - present) 1 child News Crew Credits Acting Appearances
    Starring Roles
    House of Mouse (2001) - Mortimer Mouse, Scuttle, Basil of Baker Street, Ratigan, March Hare, Mickey Moose, Spotlight, Additional Voices
    Sonic Underground
    (1999) - Sleet
    The Chimp Channel
    (1999) - voice of Harry Waller/Bernard/Cockatoo
    Mickey Mouse Works
    (1999) - voice of Mortimer Mouse
    Mickey's Mouse Works
    (1999) - (voice) Mortimer Mouse
    Futurama
    (1999) - Kif Kroker/ Morbo
    (1998) - voice of The Brain Extreme Ghostbusters (1997) - voice of Egon Spengler Pepper Ann (1997) - Chuck Pearson Hey Arnold!
  • 46. Nat'l Academies Press, Biographical Memoirs (1994), 16. Jerzy Neyman
    res, biophys res commun, BIOGRAPHICAL MEMOIRS, JERZY NEYMAN, hypothesis testing,karl pearson, survey sampling, likelihood ratio, egon pearson, confidence sets
    http://www.nap.edu/books/0309049768/html/394.html
    Biographical Memoirs V.63
    National Academy of Sciences ( NAS
    Related Books

    Openbook Linked Table of Contents Front Matter, pp. i-iv Contents, pp. v-viii Preface, pp. ix-x 1. Thomas Addis, pp. 1-47 2. Dietrich H.F. Bodenstein, pp. 48-67 3. Walter Houser Brattain, pp. 68-87 4. Leonard Eugene Dickson, pp. 88-111 5. Sterling Howard Emerson, pp. 112-125 6. Charlotte Friend, pp. 126-149 7. James Jerome Gibson, pp. 150-171 8. Albert Baird Hastings, pp. 172-217 9. Einar Hille, pp. 218-245 10. Nathan Oram Kaplan, pp. 246-291 11. Wilton Marion Krogman, pp. 292-321 12. Philip Levine, pp. 322-347 13. Bruce Herbert Mahan, pp. 348-363 14. Elliott Waters Montroll, pp. 364-381 15. Earl Leonard Muetterties, pp. 382-393 16. Jerzy Neyman, pp. 394-421 17. John Howard Northrop, pp. 422-451 18. Julia Bowman Robinson, pp. 452-479 19. Howard A. Schneiderman, pp. 480-503 20. Thomas Kilgore Sherwood, pp. 504-522 Cumulative Index, pp. 523-536
    THIS PAGE
    You may want to
    explore these
    Related Books

    Openbook Linked Table of Contents Front Matter, pp. i-iv

    47. Brunswik Essay #1
    Tolman I edited a memorial volume The Psychology of egon Brunswik (Hammond see eg,Hammond, 1954, 1955, 1996b; Hammond, Hamm, Grassia, pearson, 1987; Hammond
    http://brunswik.org/notes/essay1.html
    September, 1998 Brunswik's Challenge Kenneth R. Hammond
    Professor Emeritus, Department of Psychology
    University of Colorado Now that the previous three or four decades have made it obvious that judgment and decision making can be studied, the primary methodological question that has emerged over the past decade is whether the research methods conventionally employed will permit the generalization of results beyond the laboratory conditions within which the results have (usually) been obtained. It must be recognized, however, that there are those who will dispute that statement, and will argue that generalization is not the point; they will say that establishment of empirical regularities, or laws of behavior, within the laboratory is the point. I will not address that dispute here; I believe it to be unresolvable. The argument that is critical, and I hope, is resolvable, is between those who believe that current laboratory research practices do provide generalization to conditions outside the laboratory, and those who do not believe that such generalization is (ordinarily) possible.

    48. JAMA -- Page Not Found
    accomplishments. In Fisher's later years, he devoted energy to attackingthe work of egon pearson, the statistician who was Karl's son.
    http://jama.ama-assn.org/issues/v286n10/ffull/jbk0912-3.html
    Select Journal or Resource JAMA Archives of Dermatology Facial Plastic Surgery Family Medicine (1992-2000) General Psychiatry Internal Medicine Neurology Ophthalmology Surgery MSJAMA Science News Updates Meetings Peer Review Congress
    The page you requested was not found. The JAMA Archives Journals Web site has been redesigned to provide you with improved layout, features, and functionality. The location of the page you requested may have changed. To find the page you requested, click here HOME CURRENT ISSUE PAST ISSUES ... HELP Error 404 - "Not Found"

    49. P
    Translate this page PARZEN, Emanuel 1929-. PASCAL, Blaise 1623-1662. pearson, egon Sharpe 1895-1980.pearson, Karl 1857-1936. PEIRCE, Charles Sanders 1839-1914. PLATICÚRTICA. POISSON.
    http://www.uv.es/~econinfo/hipe/intro/alfabe/p.htm
    PACIOLO, Fra Luca 1445-1509 PARZEN, Emanuel 1929- PASCAL, Blaise 1623-1662 PEARSON, Egon Sharpe 1895-1980 PACIOLO, Fra Luca 1445-1509 PARZEN, Emanuel 1929- PASCAL, Blaise 1623-1662 PEARSON, Egon Sharpe 1895-1980 ... QUETELET, (Lambert) Adolphe (Jacques) 1796-1874

    50. INDICE INTERNO CAOTICO
    Translate this page PARZEN, Emanuel 1929-. PASCAL, Blaise 1623-1662. pearson, egon Sharpe 1895-1980.OPERADOR VARIANZA. CHERNOFF, Herman 1923-. CUNLIFFE, Stella Vivian 1917-.
    http://www.uv.es/~econinfo/hipe/intro/glocaos1.htm
    INDICE INTERNO CAÓTICO
    OTROS INTERVALOS DE CONFIANZA
    ESQUEMA DE ACTUACIÓN PARA LA CONSTRUCCIÓN DE INTERVALOS PARA LA MEDIA CALCULO DEL TAMAÑO MUESTRAL PARA UN ERROR DETERMINADO DE ESTIMACIÓN MÁXIMA HOLGURA n=p=0.5 ... RECTA DE REGRESIÓN Y/X (M.C.O)

    51. Harald Cramér, Mathematical Methods Of Statistics
    methods of learning about distributions from partial data; here he follows thethree giants of modern statistics, RA Fisher, Jerzy Neyman and egon pearson.
    http://www.cscs.umich.edu/~crshalizi/reviews/cramer-on-math-stat/
    The Bactra Review: Occasional and eclectic book reviews by Cosma Shalizi
    Mathematical Methods of Statistics
    by
    Uppsala: Almqvist and Wiksells, 1945. This was the first textbook on modern mathematical statistics, and still one of the best. It is a monument of the movement between the world wars which transformed probability theory and statistics into rigorous and powerful branches of mathematics. What follows is a brief summary of its contents. The first part is an introduction - one of the best I've seen - to the theory of integration and measures, assuming no more than a working knowledge of calculus. (Set theory is introduced as needed.) A measure is in essence a way of assigning a size or weight to sets in a certain space; the integral of a function, a weighted average of its values, the weights being given by the measure. Not all spaces are measurable, nor are all sets within a measurable space, nor are all functions integrable. The main technical work is to make as much measurable, and so integrable, as possible. This is one of the best introductory expositions of measure theory I've seen. (The emphasis is on Lebesgue integration in R Kolmogorov's axioms exhaust the meaning of purely mathematical It is natural to make a set of numerical values a probability space; the result is a random variable, ranging over that set. It is sometimes more convenient to treat random variables as functions from abstract, amorphous probability spaces to sets of numbers; no matter of principle is involved. When the range is a continuum, like

    52. Jorma Rissanen, Stochastic Complexity In Statistical Inquiry
    In both cases the standard techniques, due to Jerzy Neyman and egon pearson (Karl'sson), are derided as unnatural, and we are told to always pick the parameter
    http://www.cscs.umich.edu/~crshalizi/reviews/stochastic-complexity-in-statistica
    The Bactra Review: Occasional and eclectic book reviews by Cosma Shalizi
    Stochastic Complexity in Statistical Inquiry
    by Jorma Rissanen
    World Scientific Series in Computer Science, 15
    Singapore: World Scientific, 1989
    Less Is More, or Ecce data!
    My learned readers will recall (if only from an earlier review ) that there are two major formulations of probability theory: that of the Bayesians, according to whom probabilities represent degrees of belief in various hypotheses, and that of the frequentists, for whom probabilities are (unsurprisingly) the frequencies with which various events occur. The learned reader will equally recall that the methodologists are united (well, nearly united; with philosophers there is always at least a ``nearly'') in singing the praises of parsimony, of Occam's Razor, of making everything ``as simple as possible, but no simpler.'' Stochastic Complexity in Statistical Inquiry is the culmination of Rissanen's work of several decades, and aims at nothing less than reformulating statistics from the ground up, abandoning both the Bayesian and the frequentist schools and resting everything on parsimony instead. Rissanen assumes that his readers are all familiar with ordinary mathematical statistics, at least at the level of, say, the second half of , and anyone without that background will be totally lost. Familiarity with information theory is probably also desirable, though he does try to explain the relevant ideas. Despite being in a series of books on computer science, no acquaintance with computer science or even programming is needed. In light of all this, I have no scruples about indulging in jargon for the rest of this review.

    53. Dennis Pearson's Timeline 1960-
    Dennis L. pearson dpearson@ctc.ctc.edu April 1959. New York Facts on File, 1979.23 egon Reinert, Saar President dies at the early age of 50 in a car crash.
    http://www.geocities.com/Athens/Oracle/9487/tmapr59.htm
    Timeline Documentation and Corrections
    These entries are from student submissions in response to the assignment to document,correct and make additions to The Timeline. The following is a growing and changing document and is not complete or guaranteed accurate. If you are a student researching this information, this list should help you locate sources to further verify the timeline entries. As new information is submitted (and as time allows), I will update this document. Dennis L. Pearson
    dpearson@ctc.ctc.edu
    April 1959
    Entertainment 1959 Timeline
    Documentation for Entertainment 1959 Timeline
    Civil Rights 1959 Timeline
    April 1959
    1 Gas leak blamed for explosion that wrecked the Angus Building. Tri-City Herald , Vol 54 No. 229 pg. 1 1 A report issued by the National Health Education Committee indicated that the American life span has been increased by 6.3 years since 1943, with women gaining more than men. Stacey Henderson: Current Biography. New York: The H.W. Wilson Company. 1959. Pg. 247. 1 The U.S. Tiros become the first weather observation satellites.

    54. Mail Index
    Re Hilary St. pearson? elte.hu . Verseny Debrecenben From Mezes TiborSolyom tsolyom@egon.gyaloglo.hu . CsokonaiAlfold palyaadatok From
    http://lazarus.elte.hu/lists/tajfutas-0003/maillist.html
    Mail Index

    55. Methodes Bayesiennes En Analyse Statistique
    de vraisemblance, Jerzy Neyman (1894-1981) et egon pearson (1895-1980, le
    http://cdfinfo.in2p3.fr/Experiences/Cosmologie/Techniques/bayes1.html
    Bayes Dans la , Pierre-Simon de Laplace Fourier (1768-1830), de Denis Poisson Gauss Adolphe Thomas Bayes L'approche "naturelle" des probabilités suivie par Bayes, Laplace et leurs successeurs a été largement remplacée au XXème siècle par l'approche "axiomatique" de Karl Pearson (1857-1936), inventeur du terme "écart-standard", sir Ronald Fisher (1890-1962), l'inventeur du maximum de vraisemblance, Jerzy Neyman (1894-1981) et Egon Pearson Kolmogorov
    qui est le Retour au sommaire
    Nous n'avons pas défini la notion de probabilité, la supposant intuitivement connue. La plupart des manuels la définissent comme "le rapport entre le nombre de cas favorables et le nombre de cas possibles". Prenons un dé honnête à 6 faces et lançons-le deux fois. La probabilité d'obtenir un double six sera alors de 1/36 (une seule combinaison favorable sur les 36 résultats possibles des 2 lancers) tandis que celle d'obtenir un neuf sera de 4/36 (9=6+3=3+6=4+5=5+4). Les choses se compliquent quand il s'agit de courses de chevaux: s'il y a 8 chevaux au départ, chacun n'a pas une probabilité 1/8 de gagner :-( i e i L'approche "classique", "axiomatique" ou "fréquentiste" des probabilités envisage le problème sous un angle très différent de l'approche bayésienne. Classiquement, l

    56. THE LIGHTNING HYPERTEXT OF DISEASE.
    5. Notes prepared by egon Sharpe pearson, son of Karl and a prominentstatistician in his own right, are the basis for this biography.
    http://www.pathinfo.com/cgi-bin/lh.cgi?tx=egon

    57. History Of Statistics
    evolutionary biology. 1930's Jerzy Neyman and egon pearson (son of Karlpearson) type II errors, power of a test, confidence intervals.
    http://www.ship.edu/~cgboeree/histofstats.html
    History of Statistics 1662 William Petty and John Graunt first demographic studies 1654 Pascal mathematics of probability, in correspondence with Fermat 1713 Jakob Bernoulli Ars Conjectandi 1733 DeMoivre Approximatio, law of error (similar to standard deviation) 1763 Rev. Bayes An essay towards solving a problem in the Doctrine of Chances, foundation for "Bayesian statistics" 1805 A-M Legendre least square method 1809 C. F. Gauss Theoria Motus Corporum Coelestium 1812 P. S. Laplace Statistical Society of London established 1853 Adolphe Quetelet organized first international statistics conference, statistics applied to biology 1877 F. Galton regression to the mean 1888 F. Galton correlation 1889 F. Galton Natural Inheritance 1900 Karl Pearson chi square, correlation applied to natural selection 1904 Spearman rank (non-parametric) correlation coefficient 1908 "Student" (W. S. Gossett) The probable error of the mean, Student's test 1919 R. A. Fisher ANOVA, evolutionary biology 1930's Jerzy Neyman and Egon Pearson (son of Karl Pearson) type II errors, power of a test, confidence intervals

    58. Long Records Group 28 (271-280)
    Short Record pearson, ES (egon Sharpe), 1895 Kerr White QA 276 P43 1956 Biometrikatables for statisticians / edited by ES pearson and HO Hartley.
    http://hsc.virginia.edu/hs-library/historical/kerr-white/long28.htm
    Dickson, Paul.
    Kerr White Q 180 U5 D45 1971
    Think tanks . [1st ed.] New York, Atheneum, 1971. xi, 369 p. 25 cm. Includes bibliographical references. This item is part of a special collection: The Kerr White Health Care Collection. For access to this collection, please go to Historical Collections. 1. Health Services Research I. Kerr White Health Care Collection Short Record Beer, Stafford.
    Kerr White Q 295 B28 1975
    Platform for change; a message from Stafford Beer. London, New York, Wiley [1975] 457 p. illus. 25 cm. Includes bibliographical references. This item is part of a special collection: The Kerr White Health Care Collection. For access to this collection, please go to Historical Collections. 1. Health Services Research I. Kerr White Health Care Collection Short Record Emery, F. E. (Frederick Edmund) comp.
    Kerr White Q 295 E45 1969
    Systems thinking: selected readings; edited by F. E. Emery. Harmondsworth, Penguin, 1969. 398 p. illus. 18 cm. (Penguin modern management readings) (Penguin education no. 71.) Includes bibliographies. This item is part of a special collection: The Kerr White Health Care Collection. For access to this collection, please go to Historical Collections. 1. Systems Analysis. I. Kerr White Health Care Collection

    59. MPI For Human Development: Library And Research Information
    Stevens explicitly wrote against its use (Gigerenzer Murray, 1987); (ii) thestatisticians Sir Ronald Fisher and Jerzy Neyman and egon S. pearson all would
    http://www.mpib-berlin.mpg.de/dok/full/gg/ggwnsbabs/ggwnsbabs.html

    Library
    Electronic Full Texts We Need Statistical Thinking, Not Statistical Rituals View Dublin Core Metadata for this article
    Gigerenzer, Gerd
    Please note:
    This paper is a preprint of an article published in Behavioral and Brain Sciences, 21, 2 (1998), 199-200 , therefore there may be minor differences between the two versions.
    Contact Author
    Abstract
    What Chow calls NHSTP is an inconsistent hybrid of Fisherian and Neyman-Pearsonian ideas. In psychology it has been practiced like ritualistic handwashing and sustained by wishful thinking about its utility. Chow argues that NHSTP is an important tool for ruling out chance as an explanation for data. I disagree. This ritual discourages theory development by providing researchers with no incentive to specify hypotheses.
    Is Testing Unspecified Hypothesis Against "Chance" A Good Research Strategy?
    No. The single most important problem with null hypothesis testing is that it provides researchers with no incentive to develop precise hypotheses. To perform a significance test, one need not specify the predictions of either one's own research hypothesis or those of alternative hypotheses. All one has to do is test an unspecified hypothesis (H1) against "chance" (H0). In my experience, the routine of testing against chance using NHSTP promotes imprecise hypotheses.

    60. A Short History Of Probability And Statistics: 20th Century
    the emergence of a second controversy H 0 testing (Ronald Fisher) versus theinclusion of H 1 and the concept of Power (Jerzy Neyman egon pearson).
    http://www.leidenuniv.nl/fsw/verduin/stathist/sh_20.htm
    Load Home page + menu
    Last update 30 januari 2003
    20th century
    Introduction
    The 20th century is characterized by some major methodological battles. Firstly there is a disagreement with regard to the preference for correlational large scale studies (Karl Pearson) versus experimental small scale studies (Ronald Fisher). The field of experimental small scale studies witnesses the emergence of a second controversy: H testing (Ronald Fisher) versus the inclusion of H
    Spearman's belief in one general intelligence (g) factor, which supposedly was the driving force behind the development of factor analysis, leads to arguments, which last for several decennia, with Thurstone and others who gradually look upon factor analysis as 'just' a way to simplify the data.
    After the second world war non-parametric analysis booms and the invention of the computer creates numerous possibilities for implementing new (and old) ideas such as multidimensional scaling, bootstrapping and multivariate analysis. Karl Pearson presents the idea of the Chi square distribution Charles Spearman lays the basis for Factor analysis and completes it 8 years later.

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