Chapter 2- 2660 - Chapter 2 Research Methods in I/O Psychology I/ notprogramswork can be determined scientifically Research is also important for the

Chapter 2- 2660 - Chapter 2 Research Methods in I/O...

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Chapter 2: Research Methods in I/O Psychology - I/O psychologists are hired to provide research skills so that questions concerning whether or  not programs  work can be determined scientifically. - Research is also important for the development of new practices, such as procedures for hiring people. - Scientific study begins with a research question, which defines the purpose of the study The Empirical Research Process - Steps in conducting empirical research: 1. Statement of the problems; research question/hypothesis 2. Design of research study; lab vs field, experimental vs non-experimental 3. Measurement of variables 4. Analysis of data 5. Conclusions from research - there can be many competing explanations for results that must be addressed with further research. But with proper research design, competing explanations can be eliminated. Research Questions - can be general or specific - To be useful, the question should specify exactly what is being studied. - hypothesis  is the researcher’s best guess about what the results of a study will be. It is a statement of the results that the researcher expects to find  Most hypotheses and research questions come from prior research and theory.  hypothesis and research question is the basis of the study and in some ways its most critical aspect Important Research Design Concepts - The  design  of an investigation specifies the structure of the study Each has its own particular strengths and weaknesses  - variable  is an attribute or characteristic of people or things that can vary  E.g. People’s abilities (e.g., intelligence), attitudes (e.g., job satisfaction), behavior (e.g., absence from work), and job performance (e.g., weekly sales)  - Independent variables  are those that are manipulated by the researcher - Dependent variables  are those that are assessed in response to the independent variables.  Research Settings - field setting  is one in which the phenomenon of interest naturally occurs. Organizations  - Laboratory settings  are artificial e nvironments in which phenomena of interest do not normally occur. - The same physical location can be the setting for either a field or a laboratory study, depending on what is studied. E.g. A university classroom is a field setting in which to study student learning but a laboratory setting in which to study reactions to job conditions. - In I/O psych, most research is done in field settings Generalizability - Generalizability of results means that the conclusions of a study can be extended to other groups of people, organizations, settings, or situations.
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