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Psychological statistics is application of formulas, theorems, numbers and laws to psychology. Statistical methods for psychology include development and application statistical theory and methods for modeling psychological data. These methods include psychometrics, factor analysis, experimental designs, and Bayesian statistics. The article ...
The theory of statistics provides a basis for the whole range of techniques, in both study design and data analysis, that are used within applications of statistics. [1] [2] The theory covers approaches to statistical-decision problems and to statistical inference, and the actions and deductions that satisfy the basic principles stated for these different approaches.
Qualitative psychological research findings are not arrived at by statistical or other quantitative procedures. Quantitative psychological research findings result from mathematical modeling and statistical estimation or statistical inference. The two types of research differ in the methods employed, rather than the topics they focus on.
Item Response Theory for Psychologists. Psychology Press. ISBN 978-0-8058-2819-1. This book is an accessible introduction to IRT, aimed, as the title says, at psychologists. Baker, Frank (2001). The Basics of Item Response Theory. ERIC Clearinghouse on Assessment and Evaluation, University of Maryland, College Park, MD.
A research question is "a question that a research project sets out to answer". [1] Choosing a research question is an essential element of both quantitative and qualitative research . Investigation will require data collection and analysis, and the methodology for this will vary widely.
Common factors theory has been dominated by research on psychotherapy process and outcome variables, and there is a need for further work explaining the mechanisms of psychotherapy common factors in terms of emerging theoretical and empirical research in the neurosciences and social sciences, [39] just as earlier works (such as Dollard and ...
17) identify some commonly occurring features of qualitative research in Psychology: [3] A tendency to use relatively unstructured data (…); An approach to theory that involves generating theories that are localised and context specific, rather than testing large-scale theories that seek to explain psychological process in all people (…);
Social psychology utilizes a wide range of specific theories for various kinds of social and cognitive phenomena. Here is a sampling of some of the more influential theories that can be found in this branch of psychology. Attribution theory – is concerned with the ways in which people explain (or attribute) the behaviour of others. The theory ...