Analysis of Variables in Experiments Research Paper

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independent variables give researchers ability to perform more complex experiments. When researchers manipulate multiple variables and determine the effect of each individual variable can also lead to an understanding of the how the variables interact with each other. Several levels observed by researchers concerning independent variables give opportunity to measure individual independent variables fully and succinctly with manifold conditions or treatments. These operations do not exist as equally exclusive.

A test with numerous independent variables might possess one or more independent variables alongside numerous levels. Together several independent variables its numerous levels let researchers acquire more information that is then derived from a single experiment, keeping the sum of required participants small. The question of is one the best is all dependent on what the researcher attempts to ascertain from the study.

If researchers seek to better comprehend behaviors of an individual factor versus a one of a multi-level independent variable this could lead researchers to a more concise conclusion. If researchers believe that a variable's behavior is caused by a number of factors, or communication between those factors, then the research would have to introduce a multiple independent variable design. A multiple independent variable design better suits that kind of scenario.

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Classification of blocking universally is a method where participants are separated into comparatively uniform subgroups. Noise involves the inessential aspects that may make it problematic to define such effects in reality-based conditions. Blocking helps to reduce noise, strengthening the treatment effect by diminishing variability among participants within individual blocks (Fritchey, 2014, p. 435). There are some disadvantages to blocking. One is that if, subsequent the division, the subdivisions or subgroups do not remain homogeneous. When this happens variability increases. If variability increases, then it will decrease a researcher's ability to properly determine effect.

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It gives the researcher a potential hurdle in clarifying and creating adequate results. Accuracy is a vital component to conducting experiments and research. When one does not have an accurate conclusion, it removes credibility from the experiment or study.

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A factor put simply, is a variable. When researchers use two or more independent variables within a design, they have the ability to define the result of individual independent variables. This is defined as main effect. In addition to the effects caused by the interaction's effects or interactions among variables. When researchers use factorial design, it allows investigators ability to perform research emulating reality more precisely than any other experiment because it is a design comprising of more than one factor. Every factor with distinct possible values or otherwise called "levels," and whose tentative units can fashion into all conceivable groupings of such levels across every factor.

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Main effect can be considered effects of individual independent variables on single dependent variables and in this process it ignores all other independent variables. A good example of this is a study that examines the effectiveness of exercise and dieting for weight loss. Study participants are then separated into four different groups (Jaccard, 2001, p. 34). The groups are those that exercised only, dieted only, did nothing, or did both. When categorized as main effect, it depicts the significances of single independent variables in separation from other independent variables within factorial designs.

When it comes to interaction effects, these represent the results of the combination more than two independent variables. Within such interactions, researchers could determine what results are then attributable to every individual variable at several levels concerning other variables. From there the process becomes easy to organize and differentiate.

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