Research Methods

HS 510 Week Six Assignments Last hebdomad we talked about deep obliterate and between designs. genius issue that came up is that there be multiple ways to approach the same question. In search no single study can fully get along the question. Researchers must make decisions about the priority and focus of their study. One thing they must consider is the issues of internal and external effectuality. This week you will consider these issues as they relate to your proposal and analyzing others research. To athletic supporter with this weeks assignments let me provide a bitstock of definitions: Reliability: (reliability is often connected to and confused with validity so let me clarify) Reliability refers to the confidence that the results you got today will be similar to the results you will get in the future assumption the same method is used. If I get different results all time there is probably something wrong with my metre tools and my findings arent very useful. For example, if you wanted to measure your weight and the scales that you used change 5-20 pounds everything time you stepped on it (within the same day) this scale would not be rock-steady and therefore not useful if you wanted to see how much you actually weighed.

Reliability is related to validity in that if a study or measure is not reliable it cannot be valid. However, just because something is reliable does not make it valid! (a convention is very reliable-the ruler would give the same meter of your index finger today, tomorrow, etc. However a rulers measurement of your finger would not be a valid measurement of your IQ even though it would be reliable!) Validity: Validity generally means that your measurement tools or study calculated what it was intended to. This is broken down into two types of validity: Internal validity- when the variable that you manipulated (IV) really caused the measured/anticipated change in the DV. (the predicted relationship really exists) outside(a) validity- when the... If you want to get a full essay, order it on our website: Orderessay

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