Academic Year 2026–2027 UNISA Assignment: RSE4801 Research in
Education Fully Solved Assignment with Verified Answers | Educational
Research Methods, Data Collection and Analysis, Research Design,
Literature Review, Academic Writing and Evidence-Based Education
,Question 1: In the context of educational research, what is the primary distinction
between a positivist and an interpretivist paradigm?
A. Positivists use qualitative data, while interpretivists use quantitative data.
B. Positivists seek to understand subjective meanings, while interpretivists seek to
establish cause-and-effect relationships.
C. Positivists believe in a single, objective reality that can be measured, while
interpretivists believe reality is socially constructed and multiple.
D. Positivists focus on individual narratives, while interpretivists focus on statistical
generalizability.
CORRECT ANSWER: C. Positivists believe in a single, objective reality that can be
measured, while interpretivists believe reality is socially constructed and multiple.
Rationale: This distinction is foundational in educational research paradigms.
Positivism is rooted in the natural sciences and holds that there is a single, observable
reality that exists independently of human perception, which can be studied objectively.
Interpretivism, in contrast, argues that reality is subjective and constructed through
social interactions and individual experiences, leading to multiple realities.
Question 2: A researcher is studying how high school students perceive the
effectiveness of online learning. Which research design is most appropriate for
capturing the richness of these individual experiences?
A. A quasi-experimental design with pre- and post-tests.
B. A phenomenological study involving in-depth interviews.
C. A correlational survey measuring screen time and grades.
D. A true experimental design with random assignment.
CORRECT ANSWER: B. A phenomenological study involving in-depth interviews.
Rationale: Phenomenology is a qualitative research design specifically aimed at
exploring and describing the lived experiences and perceptions of individuals regarding
a particular phenomenon. In-depth interviews allow the researcher to gather rich,
detailed data on the subjective experiences of students with online learning, which is
the core purpose of this study.
Question 3: Which of the following sampling techniques is MOST likely to produce
findings that are statistically generalizable to the entire target population?
A. Convenience sampling.
B. Purposive sampling.
C. Snowball sampling.
D. Simple random sampling.
CORRECT ANSWER: D. Simple random sampling.
Rationale: Simple random sampling is a probability sampling technique where every
member of the target population has an equal and independent chance of being
,selected. This method minimizes selection bias and allows for the use of inferential
statistics to make generalizations from the sample to the broader population. The other
options are non-probability sampling methods, which do not permit statistical
generalization.
Question 4: What is the primary ethical concern when a teacher-researcher uses
their own students as participants in a study about a new teaching method?
A. The cost of the new materials.
B. The potential for coercion or undue influence.
C. The complexity of the statistical analysis.
D. The time required to collect the data.
CORRECT ANSWER: B. The potential for coercion or undue influence.
Rationale: When a teacher serves as a researcher and uses their own students, there is
an inherent power imbalance. Students may feel pressured to participate or respond in
a certain way for fear of negative consequences or to please their teacher. This is a
fundamental ethical concern related to voluntary participation and informed consent,
which must be carefully managed to protect participants.
Question 5: In a mixed-methods study, a researcher first collects quantitative
survey data to identify general trends in student motivation, and then conducts
qualitative interviews to explore these trends in depth. This is an example of which
type of mixed-methods design?
A. Convergent parallel design.
B. Explanatory sequential design.
C. Exploratory sequential design.
D. Embedded design.
CORRECT ANSWER: B. Explanatory sequential design.
Rationale: In an explanatory sequential design, the researcher first collects and
analyzes quantitative data, and then uses qualitative data to help explain or elaborate
on the quantitative findings. The purpose is to use qualitative data to provide context
and a deeper understanding of the initial statistical results, which is exactly what is
described in the question.
Question 6: Which of the following best defines 'triangulation' in qualitative
educational research?
A. Using three different statistical tests to analyze the same data.
B. Ensuring the sample size is at least three times the number of variables.
C. Employing multiple sources of data, researchers, or methods to corroborate findings
and enhance validity.
D. Dividing the research process into three distinct phases.
, CORRECT ANSWER: C. Employing multiple sources of data, researchers, or
methods to corroborate findings and enhance validity.
Rationale: Triangulation is a key strategy for enhancing the trustworthiness (validity) of
qualitative research. By using multiple and different sources, methods, investigators, or
theories, researchers can cross-check information, reduce the impact of individual
biases, and provide a more comprehensive and credible account of the findings.
Question 7: A researcher wants to study the impact of a new literacy program on
reading comprehension scores. The researcher measures the scores of a group of
students before and after the program. Which type of research design is this?
A. Cross-sectional design.
B. Pre-experimental design (one-group pretest-posttest).
C. Correlational design.
D. Grounded theory design.
CORRECT ANSWER: B. Pre-experimental design (one-group pretest-posttest).
Rationale: This design involves a single group that is given a pretest, an intervention
(the new literacy program), and a posttest. It lacks a control group and random
assignment, making it a pre-experimental design. While it can indicate changes over
time, it is weak in establishing causality due to threats to internal validity like history,
maturation, and testing effects.
Question 8: In the context of research ethics, what is the primary purpose of an
Institutional Review Board (IRB) or a Research Ethics Committee?
A. To fund promising research projects.
B. To review research proposals to ensure they protect the rights and welfare of human
participants.
C. To publish the results of university research.
D. To provide statistical consultation to researchers.
CORRECT ANSWER: B. To review research proposals to ensure they protect the
rights and welfare of human participants.
Rationale: The primary role of an IRB or Research Ethics Committee is to safeguard the
rights, welfare, and well-being of human subjects involved in research. They review
research protocols to ensure that risks are minimized, informed consent is properly
obtained, and the privacy and confidentiality of participants are protected, in
accordance with ethical standards and regulations.
Question 9: Which of the following is a characteristic of a 'null hypothesis' in
inferential statistics?
A. It states that there is a relationship or effect.
B. It is what the researcher hopes to prove.
Education Fully Solved Assignment with Verified Answers | Educational
Research Methods, Data Collection and Analysis, Research Design,
Literature Review, Academic Writing and Evidence-Based Education
,Question 1: In the context of educational research, what is the primary distinction
between a positivist and an interpretivist paradigm?
A. Positivists use qualitative data, while interpretivists use quantitative data.
B. Positivists seek to understand subjective meanings, while interpretivists seek to
establish cause-and-effect relationships.
C. Positivists believe in a single, objective reality that can be measured, while
interpretivists believe reality is socially constructed and multiple.
D. Positivists focus on individual narratives, while interpretivists focus on statistical
generalizability.
CORRECT ANSWER: C. Positivists believe in a single, objective reality that can be
measured, while interpretivists believe reality is socially constructed and multiple.
Rationale: This distinction is foundational in educational research paradigms.
Positivism is rooted in the natural sciences and holds that there is a single, observable
reality that exists independently of human perception, which can be studied objectively.
Interpretivism, in contrast, argues that reality is subjective and constructed through
social interactions and individual experiences, leading to multiple realities.
Question 2: A researcher is studying how high school students perceive the
effectiveness of online learning. Which research design is most appropriate for
capturing the richness of these individual experiences?
A. A quasi-experimental design with pre- and post-tests.
B. A phenomenological study involving in-depth interviews.
C. A correlational survey measuring screen time and grades.
D. A true experimental design with random assignment.
CORRECT ANSWER: B. A phenomenological study involving in-depth interviews.
Rationale: Phenomenology is a qualitative research design specifically aimed at
exploring and describing the lived experiences and perceptions of individuals regarding
a particular phenomenon. In-depth interviews allow the researcher to gather rich,
detailed data on the subjective experiences of students with online learning, which is
the core purpose of this study.
Question 3: Which of the following sampling techniques is MOST likely to produce
findings that are statistically generalizable to the entire target population?
A. Convenience sampling.
B. Purposive sampling.
C. Snowball sampling.
D. Simple random sampling.
CORRECT ANSWER: D. Simple random sampling.
Rationale: Simple random sampling is a probability sampling technique where every
member of the target population has an equal and independent chance of being
,selected. This method minimizes selection bias and allows for the use of inferential
statistics to make generalizations from the sample to the broader population. The other
options are non-probability sampling methods, which do not permit statistical
generalization.
Question 4: What is the primary ethical concern when a teacher-researcher uses
their own students as participants in a study about a new teaching method?
A. The cost of the new materials.
B. The potential for coercion or undue influence.
C. The complexity of the statistical analysis.
D. The time required to collect the data.
CORRECT ANSWER: B. The potential for coercion or undue influence.
Rationale: When a teacher serves as a researcher and uses their own students, there is
an inherent power imbalance. Students may feel pressured to participate or respond in
a certain way for fear of negative consequences or to please their teacher. This is a
fundamental ethical concern related to voluntary participation and informed consent,
which must be carefully managed to protect participants.
Question 5: In a mixed-methods study, a researcher first collects quantitative
survey data to identify general trends in student motivation, and then conducts
qualitative interviews to explore these trends in depth. This is an example of which
type of mixed-methods design?
A. Convergent parallel design.
B. Explanatory sequential design.
C. Exploratory sequential design.
D. Embedded design.
CORRECT ANSWER: B. Explanatory sequential design.
Rationale: In an explanatory sequential design, the researcher first collects and
analyzes quantitative data, and then uses qualitative data to help explain or elaborate
on the quantitative findings. The purpose is to use qualitative data to provide context
and a deeper understanding of the initial statistical results, which is exactly what is
described in the question.
Question 6: Which of the following best defines 'triangulation' in qualitative
educational research?
A. Using three different statistical tests to analyze the same data.
B. Ensuring the sample size is at least three times the number of variables.
C. Employing multiple sources of data, researchers, or methods to corroborate findings
and enhance validity.
D. Dividing the research process into three distinct phases.
, CORRECT ANSWER: C. Employing multiple sources of data, researchers, or
methods to corroborate findings and enhance validity.
Rationale: Triangulation is a key strategy for enhancing the trustworthiness (validity) of
qualitative research. By using multiple and different sources, methods, investigators, or
theories, researchers can cross-check information, reduce the impact of individual
biases, and provide a more comprehensive and credible account of the findings.
Question 7: A researcher wants to study the impact of a new literacy program on
reading comprehension scores. The researcher measures the scores of a group of
students before and after the program. Which type of research design is this?
A. Cross-sectional design.
B. Pre-experimental design (one-group pretest-posttest).
C. Correlational design.
D. Grounded theory design.
CORRECT ANSWER: B. Pre-experimental design (one-group pretest-posttest).
Rationale: This design involves a single group that is given a pretest, an intervention
(the new literacy program), and a posttest. It lacks a control group and random
assignment, making it a pre-experimental design. While it can indicate changes over
time, it is weak in establishing causality due to threats to internal validity like history,
maturation, and testing effects.
Question 8: In the context of research ethics, what is the primary purpose of an
Institutional Review Board (IRB) or a Research Ethics Committee?
A. To fund promising research projects.
B. To review research proposals to ensure they protect the rights and welfare of human
participants.
C. To publish the results of university research.
D. To provide statistical consultation to researchers.
CORRECT ANSWER: B. To review research proposals to ensure they protect the
rights and welfare of human participants.
Rationale: The primary role of an IRB or Research Ethics Committee is to safeguard the
rights, welfare, and well-being of human subjects involved in research. They review
research protocols to ensure that risks are minimized, informed consent is properly
obtained, and the privacy and confidentiality of participants are protected, in
accordance with ethical standards and regulations.
Question 9: Which of the following is a characteristic of a 'null hypothesis' in
inferential statistics?
A. It states that there is a relationship or effect.
B. It is what the researcher hopes to prove.
