Chapter 3

Methodology


Study Context
Population & Participant Selection
Experimental Design & Procedures
Experimental Treatment
Data Gathering Instruments

Data Treatment Analysis

ASU Permission of Human Subjects

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Study Context

The study context or setting describes, in two to three short paragraphs, the geographic location where the study is to be conducted (e.g., state, county, city). It provides characteristics of the region (for example, agricultural, industrial, or residential area) and its general population (for example, socioeconomic status, race, age, etc).

 

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Population & Participant Selection

Population, in this instance, refers to the group from which your participants (or sample of subjects) will be drawn. In most studies, it is not possible to examine all the members of an entire population (e.g., all students in Arkansas) as it would be too costly and time consuming.

Therefore, it is normal for researchers to conduct research on a sample of subjects selected from a given population. In observing the characteristics of the sample, the researcher may make certain inferences about the characteristics of the population from which it is drawn.

Example:

Participant (subject) selection refers to how the sample (e.g., students) is drawn from the main population (e.g., students at ASU). There are several different methods of obtaining a sample, but only two general sample types: probability and nonprobability. (Sampling methods and types will be discussed in greater depth during class hours.)

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Experimental Design & Procedures

The type of experimental design (e.g., classical, solomon four group, one-shot case study, pre-post test, etc) that you choose to use in your study is normally predetermined by the characteristics of your study. (More detailed information relating to specific experimental designs maybe obtained by selecting "Experimental Designs" on the main menu).

The procedures define each step of the research process in very precise details, so much so that if someone were to follow the research procedures they should be able to reproduce the same study.

The procedures therefore include information pertaining to the:

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Experimental Treatment

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Data Gathering Instruments

 

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Data Treatment & Analysis

 

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Permissions & Human Subjects Approval

 

IRB Review Forms:  Please check this out regarding the checklist for approval!!!

http://researchoffice.astate.edu/forms.htm

 

All student must complete the following course prior to collecting data on subjects.

 

 

 

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