24 Questions
What is the main purpose of a cross-sectional study design?
To find the prevalence of a phenomenon in a population
Which research design involves repeated measurements of the same population over time?
Longitudinal study
What is the main purpose of a prospective research design?
To establish the likely outcome of a future event
Which research design is characterized by a series of repetitive cross-sectional studies?
Longitudinal study
What is the main purpose of a pre-test/post-test research design?
To measure change in a phenomenon over time
Which research design investigates a phenomenon that has happened in the past?
Retrospective study
Which type of research design is used to determine cause and effect relationships?
Experimental Design
What is the primary purpose of a Grounded Theory study?
To develop an empirical theory from qualitative research
Which type of sampling design gives each element in the population an equal chance of being selected?
Simple random sampling
What is the primary purpose of a Phenomenological study?
To understand the lived experiences of individuals
What is the difference between a population and a sample in research?
Population is the entire group being studied, while a sample is a subset of that group.
What is the primary purpose of a Case Study research design?
To study the entire population or sample as one entity
Which of the following is a subtype of telephone-based sampling?
Both (a) and (b)
What is the Soxhlet method used for?
Repeated boiling with alcohol
What term is used to refer to the residue left after extraction?
Marc
Which of the following is NOT a method of extraction mentioned in the text?
Distillation method
What is the term used for the solvent in the extraction process?
Menstrum
What is the infusion method used for?
Extracting chemical compounds from plant materials
Which sampling method involves selecting elements from naturally occurring groups or clusters?
Cluster sampling
In a random complete block design (RCBD), what is the first step?
Create blocks of homogeneous experimental units
Which non-probability sampling method selects elements based on their availability?
Availability sampling
In a Latin square design (LSD), what is the requirement for treatment combinations?
Treatment combinations must form a square
Which sampling method involves selecting elements from the target population with the assistance of previously selected population elements?
Respondent-assisted sampling
In which sampling method is the population divided into mutually exclusive subcategories, and a target number of elements are sampled from each subcategory?
Quota sampling
Explore the different aspects of research methods and designs, including philosophical, theoretical, and conceptual frameworks, as well as quantitative, qualitative, and mixed methods approaches. Learn about research design planning, structure, and strategies for investigating and answering research questions or problems.
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