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Research Variables

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❶Similarly, country can be considered a variable because a person's country can be assigned a value. But this is entirely backwards!

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Their conclusion sums it up quite nicely: …Garcinia extractsHCA can cause short-term weight loss. The magnitude of the effect is small, and the clinical relevance is uncertain. I agree. It may cause a mild effect in some people, but overall the effects are small and unlikely to make a major difference Bottom Line: There have been many studies conducted on Garcinia Cambogia in overweight individuals.


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Confounding variables are a specific type of extraneous variable. Extraneous variables are defined as any variable other than the independent and dependent variable. So, a confounding variable is a variable that could strongly influence your study, while extraneous variables are weaker and typically influence your experiment in a lesser way.

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Research Methods –STA VU © Copyright Virtual University of Pakistan 19 Lesson 06VARIABLES AND TYPES OF VARIABLES Variable is central idea in .

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Unlike extraneous variables, moderator variables are measured and taken into consideration. Typical moderator variables in TESL and language acquisition research (when they are not the major focus of the study) include the sex, age, culture, or language proficiency of the subjects. dependent variable (also referred to as outcome variable or effect variable). The independent variable is "independent of" prior causes that act on it, whereas the dependent variable "depends on" the cause.

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Business research methods can be defined as “a systematic ad scientific procedure of data collection, compilation, analysis, interpretation, and implication pertaining to any business problem”.Types of research methods can be classified into several categories according to the nature and purpose of the study and other attributes. Extraneous Variable Extraneous variables are undesirable variables that influence the relationship between the variables an experimenter is examining. An educational psychologist has developed a new learning strategy and is interested in examining the effectiveness of this strategy.