22 Questions
What is a disadvantage of non-probability sampling?
Potential for bias
Which type of sampling is used when every individual in the population has an equal chance of being selected?
Simple random sampling
In the case study, what is the dependent variable in Example 1?
Employee motivation
What is the moderating variable in Example 1?
Age
Which type of non-probability sampling involves selecting participants based on their expertise or knowledge?
Judgmental sampling
In Example 2, what is the independent variable?
Skills required for the job
What is the main difference between probability and non-probability sampling?
Ability to generalize findings
What is the advantage of non-probability sampling?
Cost-effectiveness
What is the definition of a population in research?
The entire group of people, events, or things of interest
What is the purpose of sampling in research?
To reduce costs and field time, and increase accuracy
What is the process of selecting the right individuals, objects, or events as representatives for the entire population?
Sampling
What is a sample in research?
A subset of the population, comprising some members selected from the population
What is the main advantage of probability sampling?
Representativeness and precision
What is the purpose of defining the population in the sampling process?
To clearly define the population of interest for the study
What is the main difference between probability and non-probability sampling?
In probability sampling, the elements have a known or predetermined chance of being selected, while in non-probability sampling, they do not
What is the final step in the sampling process?
Executing the sampling process and collecting data from the selected individuals or objects
What is a characteristic of a problem definition?
It reflects the opinion of the researcher
What is a key factor in determining the quality of a literature review?
The relevance of the sources
What are symptoms in the context of business problems?
Concrete examples of business problems
What does 'rigor' refer to in the context of scientific investigation?
The fact that findings are generalizable
What is a characteristic of confidence in scientific investigation?
The probability that our estimations are correct
What is the logical order of research approaches?
Inductive research comes first, followed by deductive research
Study Notes
Sampling Methods
- Probability sampling: elements in the population have a known, nonzero chance of being selected as sample subjects.
- Advantages of probability sampling: representativeness and precision.
Types of Probability Sampling
- Simple random sampling
- Systematic sampling
- Stratified sampling
- Cluster sampling
Types of Non-Probability Sampling
- Convenience sampling
- Judgmental sampling
- Quota sampling
Case Study Analysis
- Identify the independent and dependent variables
- Identify the moderating variables
Research Design Strategies
- Surveys
- Questionnaires
- Observations
- Experiments
- Action Research
Terminologies
Population and Sampling
- Population: the entire group of people, events, or things of interest that the researcher wishes to investigate
- Element: a single member of the population
- Sample: a subset of the population that comprises some members selected from the population
- Subject: a single member of the sample
- Sampling: the process of selecting the right individuals, objects, or events as representatives for the entire population
Advantages of Sampling
- Less costs
- Less field time
- More accuracy
- When it’s impossible to study the whole population
Sampling Processes
- Define the population
- Determine the sample frame
- Determine the sampling design
- Determine the appropriate sample size
- Execute the sampling process
This quiz covers the different methods used in probability and non-probability sampling, including simple random sampling and convenience sampling. Understand the advantages and disadvantages of each method.
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