A correlational research design is one of the methods of research that is quantitative. It uses two or more quantitative variables from the same sample population and tries to identify the relationship between the two variables. The relationship is not causal (one variable causes the other) but they are related in a way (Waters). This paper will discuss why landlines are still used in the current age and how a population using both landlines and cellphones can be sampled.
Pew research indicates that more people have switched to mobile phones which are wireless and abandoned the landlines. However, there are households or organizations that still use landlines. Apart from being cost effective, they are easily accessible because they are centrally located. Landlines are put in a place where everyone can reach them at any time unlike cell phones that are portable and one carry it around making it inaccessible to other people who may want to use it or a person may decide to switch it off and on whenever they want. Such cases are common in organizations and hence prefer using landlines because they are on provided there is direct current. It is possible to use a population that can access a landline or uses a landline for a research.
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According to the Pew research, sample population can be split between cellphone and landlines basing on the number of users as indicated in various studies. Studies indicate that more people are using cellphones and hence the sample population using cellphones should be larger, say at 65% of sample population as per Pew research. 35% of the sample population will then be using landlines. Despite the decision on how to split samples, there still exist a conflict between landlines and cellphones.
References
Cell phones only—whom should polls call? Retrieved October 2, 2016 from http://www.everydayresearchmethods.com/2015/01/cell-phones-only-whom-should-polls-call-.html
Waters, J. Correlational Research Guidelines. Conducting Correlational Research: Research Design. Capilano University. Retrieved October 2, 2016 from https://www.capilanou.ca/psychology/student-resources/research-guidelines/correlational-Research-Guidelines/
