Exam (elaborations)
RSE4801 ASSIGNMENT 2 2023
- Course
- RSE4801 (RSE4801)
- Institution
- University Of South Africa (Unisa)
RSE4801 ASSIGNMENT 2 2023
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RSE4801ASSIGNMENT 2 2023
[DATE]
[COMPANY NAME]
[Company address]
, Assignment 02
10.2.1 Question
Describe the central features of quasi-experimental research and discuss in detail an example of
such a research project. You could draw such an example from the literature or construct one
yourself. Explain the value of this research design
Like a true experiment, a quasi-experimental design aims to establish a cause-and-effect
relationship between an independent and dependent variable. However, unlike a true
experiment, a quasi-experiment does not rely on random assignment. Instead, subjects
are assigned to groups based on non-random criteria
Example: Quasi-experimental design
You discover that a few of the psychotherapists in the clinic have decided to try out the new
therapy, while others who treat similar patients have chosen to stick with the normal
protocol. You can use these pre-existing groups to study the symptom progression of the
patients treated with the new therapy versus those receiving the standard course of
treatment. Although the groups were not randomly assigned, if you properly account for
any systematic differences between them, you can be reasonably confident any differences
must arise from the treatment and not other confounding variables. Many types of quasi-
experimental designs exist. Here we explain three of the most common types: non-
equivalent groups design, regression discontinuity, and natural experiments. In non-
equivalent group design, the researcher chooses existing groups that appear similar, but
where only one of the groups experiences the treatment. In a true experiment with random
assignment, the control and treatment groups are considered equivalent in every way other
than the treatment. But in a quasi-experiment where the groups are not random, they may
differ in other ways—they are non-equivalent groups. When using this kind of design,
researchers try to account for any confounding variables by controlling for them in their
analysis or by choosing groups that are as similar as possible.
Question 2
An educational researcher wants to investigate mother tongue literacy in the Foundation Phase
literacy in township schools. She decides to use three schools using a case study research design.
Describe the main features of the case study research type and explain why this is a suitable
approach for this study
South Africa is not alone as a multilingual country in the southern African region nor are its language-
in-education policies uniquely problematic (Nkosana, 2011, Mooko, 2009, Papen, 2007; Prah, 2009,
Wolfaardt, 2010). Like so many African countries, the lure of English is difficult to resist. This linguistic
magnetism is inextricably linked to a colonial history and a current capitalist economic system. High
levels of proficiency in English persist as "the distributor of power" (Nkosana, 2011:11). In Botswana
for example, one finds Setswana and English as official languages with Setswana used for instruction
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