... and this number is known as a correlation coefficient. For instance, when one variable increases and the other also increases, then the correlation in this case would be positive. On the other hand, if a correlation is negative, that means, when one variable decreases, the other also decreases.> Survey research targets to answer questions about current status of the subject of study. This usually involves studying attitudes, practices or concerns of certain group of people. (Gay & Airasion, 1999).> Causal-comparative research aims to find a cause-effect relationship between two or more different programs, methods, or groups. An example of this would be to find out if children watch violence programs on TV causes aggressive behaviours. The main advantage of quantitative research is the results are statistically reliable and the results are able to be projected to the population. It has high reliability as different researchers, using the same ...

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