Section 4 - Variables - Variables...

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Variables A variable is a measurable trait or characteristic that is subject to change under  different conditions (e.g., income, gender, or religion). Variables may be  independent or dependent . Independent variables in a hypothesis are those that influence or  cause changes in another variable. The dependent variables are those variables believed to be  influenced by the independent variable. Theory A theory is a set of ideas [generalizations] supported by facts Hypothesis A hypothesis is a speculative statement about the relationship between two or more  variables. It is, in essence, an educated guess. Reliability If the measuring instrument yields the same results on repeated trials.  Allows for  research to be repeated and results checked. Validity Whether data provide a true picture of what is being studies. Primary Data This is information that consists of data that are collected by the researchers themselves  during the course of their study Page 1 of 5
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Secondary Data This is the use of data that already existed by researchers in the course of their study.   Research Methods These are the tools or instruments utilized by sociologists in gathering data.  
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Section 4 - Variables - Variables...

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