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What Are Extraneous Variables in a Research Survey?
When research studies are performed by scientists, there are many variables that are carefully defined and quantified. A variable generally measures a characteristic of the survey or study that changes, like the intelligence level, gender or age of a... More »
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Confounding variable - Wikipedia

en.wikipedia.org/wiki/Confounding

In statistics, a confounding variable is a variable in a statistical model that correlates (directly or .... An operational confounding can occur in both experimental and non-experimental research d...

What are extraneous variables in a research survey? | Reference.com

www.reference.com/world-view/extraneous-variables-research-survey-f5f4de93e39c437b

In a scientific experiment, extraneous variables are those conditions other than the one the scientist controls that cause any effect on the outcome of the ...

What Are Extraneous Variables in a Research Survey? | eHow

www.ehow.com/info_7841523_extraneous-variables-research-survey.html

When research studies are performed by scientists, there are many variables that are carefully defined and quantified. A variable generally measures a ...

SURVEY DESIGNS - HKU

web.hku.hk/~hrnwlck/swresearch/survey.htm

Survey designs are primarily used for descriptive purposes. Occasionally ... Extraneous : When we control the extraneous variable, the correlation disappears.

Extraneous Variables

web.mst.edu/~psyworld/extraneous.htm

These variables are undesirable because they add error to an experiment. A major goal in research design is to decrease or control the influence of extraneous ...

Extraneous and confounding variables | Lærd Dissertation

dissertation.laerd.com/extraneous-and-confounding-variables.php

What are extraneous and confounding variables? When extraneous variables become confounding variables; Dealing with extraneous variables in research ...

Confounding Variables – Scepticon

scepticon.wordpress.com/2011/11/01/confounding-variables/

Nov 1, 2011 ... The focus is on conducting and reading research and determining good ... in which a survey is carried out may introduce confounding variables ...

8. Extraneous and confounding variables - Research Observatory ...

ro.uwe.ac.uk/Context7/Area1/Room3/Constellation54/LearningObject319

Extraneous and confounding variables are variables other than the independent variable which may have an effect on the dependent variable. They are ...