Chow, Siu L. (2002) Statistics and Its Role in Psychological Research. (In Press)
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Abstract
How one may use descriptive statistics to give a succinct description of research data is first discussed. The probability basis of inferential statistics, namely, the random sampling distribution of the test statistic, is then introduced. The said sampling distribution is used to introduced the nullhypothesis significancetesting procedure (NHSTP). The emphasis on 'procedure' serves to highlight the fact that significance tests are about data, not about the substantive hypothesis. The distinction is made between (a) the statistical alternative hypothesis (H1) and the substantive hypothesis, (b) using NHSTP to test whether or not chance is responsible for the data and using the embeddding conditional propositions to corroborate the theory. NHSTP serves to supply the minor premise for the theorycorroboration procedure. Some conceptual difficulties with effectsize, statistical power and metaanalysis are also discusse
Item Type:  Other 

Keywords:  conditional probability, confidenceinterval, correlation, statistics, effect size, regression, statistical power, statistical significance, Type I error, Type II error 
Subjects:  Psychology > Cognitive Psychology Philosophy > Philosophy of Science 
ID Code:  2782 
Deposited By:  Chow, Dr. Siu L. 
Deposited On:  21 Feb 2003 
Last Modified:  11 Mar 2011 08:55 
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