Podcast
Questions and Answers
Which research method is characterized by the absence of random assignment while still aiming to establish causal relationships?
Which research method is characterized by the absence of random assignment while still aiming to establish causal relationships?
- Experimental Study
- Quasi-Experimental Study (correct)
- Longitudinal Study
- Causal-Comparative Study (correct)
What is a primary advantage of longitudinal studies over cross-sectional research?
What is a primary advantage of longitudinal studies over cross-sectional research?
- They observe the same variables over time. (correct)
- They require larger sample sizes.
- They analyze data at a single point in time.
- They examine a population snapshot.
In which research design is random assignment an essential component?
In which research design is random assignment an essential component?
- Cross-Sectional Study
- Longitudinal Study
- Causal-Comparative Study
- Experimental Study (correct)
Which of the following methods is primarily used to determine prevalence in a population?
Which of the following methods is primarily used to determine prevalence in a population?
What is a key characteristic of causal-comparative/ex post facto research?
What is a key characteristic of causal-comparative/ex post facto research?
Which research method would be most appropriate for studying long-term developmental patterns?
Which research method would be most appropriate for studying long-term developmental patterns?
What is the primary reason for utilizing larger sample sizes in quantitative research?
What is the primary reason for utilizing larger sample sizes in quantitative research?
Which characteristic ensures that the results of quantitative research can be trusted over time?
Which characteristic ensures that the results of quantitative research can be trusted over time?
Which of the following is NOT a method for collecting quantitative data?
Which of the following is NOT a method for collecting quantitative data?
Hypothesis testing in quantitative research primarily uses which type of reasoning?
Hypothesis testing in quantitative research primarily uses which type of reasoning?
What type of data does quantitative research focus on collecting?
What type of data does quantitative research focus on collecting?
When conducting quantitative research, standardized measurements are crucial for what reason?
When conducting quantitative research, standardized measurements are crucial for what reason?
In what way does quantitative research typically differ from qualitative research?
In what way does quantitative research typically differ from qualitative research?
Which field could benefit from applications of quantitative research?
Which field could benefit from applications of quantitative research?
What is a primary goal of descriptive research?
What is a primary goal of descriptive research?
Which type of research investigates the relationship between two or more variables without manipulating them?
Which type of research investigates the relationship between two or more variables without manipulating them?
In which field is quantitative research mainly employed for assessing the effectiveness of educational initiatives?
In which field is quantitative research mainly employed for assessing the effectiveness of educational initiatives?
What type of instruments are primarily used in quantitative research for data collection?
What type of instruments are primarily used in quantitative research for data collection?
Which statistical analysis method is typically used in correlational research?
Which statistical analysis method is typically used in correlational research?
What is a main application of quantitative research in business and economics?
What is a main application of quantitative research in business and economics?
Which statement about structured research instruments in quantitative research is accurate?
Which statement about structured research instruments in quantitative research is accurate?
What is a common misconception regarding correlational research?
What is a common misconception regarding correlational research?
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Study Notes
Causal-Comparative and Ex-post Facto Research
- Seeks to establish causal linkages through comparisons between groups experiencing different treatments or situations.
- Lacks random assignment, which differentiates it from experimental research.
Experimental Study
- A scientific method that alters one variable to observe its impact on another.
- Utilizes control groups, random assignment, and maintained conditions to demonstrate cause-and-effect relationships.
Quasi-Experimental Study
- Similar to experimental studies in intent but does not use random assignment.
- Relies on preexisting groups or situations for its analysis.
Longitudinal Study
- Involves repeated observation of the same variables over extended periods.
- Useful for studying developmental patterns and long-term outcomes.
Cross-Sectional Research
- Examines a sample at a single point in time.
- Provides a snapshot of a population or phenomenon, often used to determine prevalence and relationships.
Nature of Inquiry and Research
- Research is a systematic approach to gather and evaluate data aimed at understanding a subject.
- Three fundamental steps: posing a question, collecting data, presenting findings.
- The process includes six steps: identifying problems, reviewing literature, specifying purposes, collecting data, analyzing data, and reporting research.
Characteristics of Quantitative Research
- Objectivity and Reliability: Ensures objectivity through standardized measurements, enhancing reliability and trustworthiness of data.
- Quantifiable Data: Involves data that can be quantified and analyzed statistically; collected through surveys, tests, or structured observations.
- Big Sample Size: Generally requires larger sample sizes for findings to be generalized compared to qualitative research.
- Applications in Various Fields:
- Education: Quantifies student performance and assesses educational initiatives.
- Business and Economics: Provides data for market analysis, forecasts, and decision-making.
- Social Sciences: Investigates social phenomena, human behavior, and informs public policy using various methodologies.
Types of Quantitative Research
- Descriptive Research: Systematically collects data to provide detailed descriptions of specific phenomena or situations; uses surveys and observational methods.
- Correlational Research: Explores relationships between variables without manipulating them; identifies patterns, but does not establish causation.
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