Based on a research study made to know if age is a risk factor for the aggressiv

Question

Based on a research study made to know if age is a risk factor for the aggressiveness of a breast cancer when comparing two groups of age: 40-50 years & 51-60 years. (Breast cancer diagnoses are more aggressive in women from the 40-50 yrs. age-group than in women from the 51-60 yrs. age-group. Answer the following: What kinds of issues do you anticipate facing with regard to internal validity of the study? Be specific and provide examples. What kind of issues do you anticipate with external validity of your study?

Explanation / Answer

Internal validity:

The internal validity is the one of the measure if the research is doing right form. It is related to how many number of extra variable that you did not take in the experiment. This type of variables can produce the bias and must be avoid it from the experiment.

Therefore, this type of variables is considered as the confounding variables. If the confounding variables are less, then the internal validity is high otherwise less.

The age is not a risk factor for the aggressiveness of a breast cancer. This makes a confounding variable. Since the breast cancer sometimes effects the younger people also.

External Validity:

External validity of the data is considered as the how well data and theories from one setting to another. The methods will apply to find the results of the study and make a conclusions about the research.

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