(Answered) NRS 433v Week 4 DQ1: Independent variables, dependent variables, and extraneous variables

Compare independent variables, dependent variables, and extraneous variables. Describe two ways that
researchers attempt to control extraneous variables. Support your answer with peer-reviewed articles.


Variable is defined as an object, idea, event, time period, or feeling or any other category being measured (Christensen & Lægreid, 2017). The two major types of variables include independent and dependent variables.

An independent variable is the one that stands alone and is not changed by other variables being studied. Rather, it is manipulated by the researcher to generate one or more effects on the dependent variable (Ary, Jacobs, Irvine, & Walker, 2018). Dependent variable, on the other hand, is the one that takes….Please click the icon below to purchase the full solution at $5