Download - Part2 angelica lucero
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VARIABLES
By:Angelica Barba
Lucero
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What is a Variable?
It is a condition or characteristic that the experimenter manipulates, controls or
observes.
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Types of Variable
Independent Variables
Dependent Variables
Confounding Variables
Intervening variables
Extraneous variables
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the conditions or characteristics that the experimenter manipulates or controls in his/her attempt to ascertain their relationship to observed phenomena.
Independent Variable
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Treatment Variables those factors that the experimenter
manipulates and to which he/she assigns subjects.
Organismic or attribute Variables
those characteristic that cannot be altered by the experimenter.
2 Types Of Independent
Variables
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Dependent Variable
the conditions or characteristics that appear, disappear or change as the experimenter introduces, removes, or changes independent variables.
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Confounding Variable
those aspects of a study or sample that might influence the dependent variable and whose effect may be confused with the effects of the independent variables.
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Intervening Variables those variables that intervene on the cause
and effect.
Extraneous Variables those uncontrolled variables that may have
significant influence on the results of a study.
2 Types Of Confounding
Variables
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Removing the variables
Randomization
Matching Cases
Balancing Cases or Group
Matching
Controlling Extraneous Variables
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..TRUST..…BELIEVE…
….HAVE FAITH….
(=TO GOD BE THE GLORY=)