10 Questions
Which sampling technique involves selecting sub-samples proportionate in size to significant characteristics of the total population?
Stratified random sampling
What refers to the extent to which a research instrument measures the intended construct?
Construct validity
What is the generic term that researchers use for a measurement device like a survey, test, and questionnaire?
Instrument
In which type of interview does the interview follow a specific format with the same line of questioning?
Structured interview
What type of sampling refers to a technique wherein the researchers select people non-randomly according to some fixed quota?
Quota sampling
What is the purpose of a historical research design?
To collect, verify, and synthesize evidence from the past
What does the term 'sample' refer to in research?
A small group of people to whom a survey questionnaire is administered
What is the purpose of descriptive research design?
To describe the status of an identified variable such as events, people, or subjects as they exist
What does 'quantitative analysis' refer to in research?
The technique utilized for analyzing the data gathered
What is the purpose of an experimental research design?
To use the scientific method to establish cause-effect relationships among variables
Study Notes
Sampling Techniques
- Stratified sampling involves selecting sub-samples proportionate in size to significant characteristics of the total population.
Measurement in Research
- Validity refers to the extent to which a research instrument measures the intended construct.
- A measurement device, like a survey, test, or questionnaire, is generally referred to as an instrument.
Types of Interviews
- A structured interview is one where the interview follows a specific format with the same line of questioning.
Sampling Techniques
- Quota sampling is a technique where researchers select people non-randomly according to some fixed quota.
Research Designs
- The purpose of a historical research design is to study past events or situations to understand their causes and effects.
Research Fundamentals
- In research, a sample refers to a subset of the population chosen for study.
Research Designs
- The purpose of a descriptive research design is to describe the characteristics of a population or phenomenon.
- Quantitative analysis refers to the process of analyzing numerical data to draw conclusions.
Research Designs
- The purpose of an experimental research design is to establish cause-and-effect relationships between variables.
Test your knowledge of practical research concepts including research design, sampling methods, data-gathering instruments, quantitative analysis techniques, and descriptive research. This quiz covers key aspects of conducting a study and analyzing the gathered data.
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