Other Types Of Variables In Research. Unlike extraneous variables moderator variables are measured and taken into consideration. They are variables concepts that can vary.
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Moderating variables are useful because they help explain the links between the independent and dependent variables. There are four main types. According to the role s that variables play in a research they are divided into two categories.
Variables in other types of research outside of an experimental setting researchers often cannot directly manipulate or change the independent variable that they re interested in.
Quantitative research involves many kinds of variables. These categorical variables can be further classified as being nominal dichotomous or ordinal variables. So a confounding variable is. When you collect quantitative data the numbers you record represent real amounts that can be.
