Quantitative Research Methods Overview
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Questions and Answers

What is the primary goal of descriptive research?

  • To investigate the relationships between variables.
  • To predict future outcomes based on data.
  • To establish cause and effect relationships.
  • To describe the characteristics of a person or object. (correct)

    • Which of the following best describes correlational research?

  • It focuses solely on quantitative data without any qualitative insights.
  • It examines causal relationships through experiments.
  • It relies on random assignment of subjects to groups.
  • It identifies relationships between variables without establishing cause and effect. (correct)

    • Which design involves examining the effects of past events on current conditions?

  • Quasi-experimental design
  • Correlational design
  • Experimental design
  • Ex post facto design (correct)

    • What is a key limitation of quasi-experimental designs compared to true experimental designs?

    <p>Absence of random selection and assignment.</p> Signup and view all the answers

    What characterizes experimental research?

    <p>It tests interventions with random assignment of subjects.</p> Signup and view all the answers

    In which research design is the relationship between physical activity and academic achievement investigated?

    <p>Correlational design</p> Signup and view all the answers

    What does the term 'random assignment' in experimental design ensure?

    <p>It reduces bias in the allocation of subjects to different groups.</p> Signup and view all the answers

    Which of the following designs provides the least conclusive results due to its limitations?

    <p>Quasi-experimental design</p> Signup and view all the answers

    What characteristic of quantitative research ensures that personal biases do not influence the results?

    <p>Objective and not subjective</p> Signup and view all the answers

    Why is a large sample size important in quantitative research?

    <p>It facilitates generalization to wider populations</p> Signup and view all the answers

    What type of data presentation is commonly used in quantitative research?

    <p>Statistical and numerical formats</p> Signup and view all the answers

    Which feature of quantitative research contributes to the replication of studies?

    <p>Structured research instruments</p> Signup and view all the answers

    In what way can quantitative research be utilized in various disciplines?

    <p>To confirm facts and develop new concepts</p> Signup and view all the answers

    How is validity reinforced in quantitative research methodology?

    <p>By clearly defining research questions</p> Signup and view all the answers

    What risk is associated with using intuition in quantitative research?

    <p>It can lead to biased conclusions.</p> Signup and view all the answers

    What approach should be avoided in developing solutions to problems in quantitative research?

    <p>Using guesses and intuition</p> Signup and view all the answers

    What is a primary characteristic of quantitative research?

    <p>It involves collecting and analyzing numerical data.</p> Signup and view all the answers

    Which of the following is NOT a component of planning a survey research?

    <p>Analyzing personal interviews.</p> Signup and view all the answers

    What is the main purpose of conducting validity checks in quantitative research?

    <p>To confirm that the research tools measure what they are intended to measure.</p> Signup and view all the answers

    Which type of research design is primarily associated with non-experimental research methodologies?

    <p>Observational studies.</p> Signup and view all the answers

    What is a significant strength of survey research in quantitative methodologies?

    <p>It allows for quick data collection from a large audience.</p> Signup and view all the answers

    When considering sample size in quantitative research, what is the consequence of a too-small sample?

    <p>Greater potential for random error and bias.</p> Signup and view all the answers

    How do reliability and validity differ in research methodologies?

    <p>Reliability measures consistency, while validity assesses accuracy.</p> Signup and view all the answers

    In which field would quantitative research find the least application?

    <p>Literature.</p> Signup and view all the answers

    Study Notes

    Quantitative Research Overview

    • Focuses on collecting and analyzing numerical data, adhering to a confirmatory scientific method.
    • Aims to test hypotheses and theories with large samples for generalizability.

    Types of Quantitative Research

    • Descriptive Research

      • Observes and describes phenomena as they occur naturally.
      • Does not involve experimental manipulation; intends solely to describe characteristics of individuals or objects.
      • Example: Assessing types and frequency of physical activities among high school students.

    • Correlational Research

      • Examines relationships between variables without establishing cause and effect.
      • Data is primarily observational.
      • Example: Investigating the correlation between physical activity levels and academic performance.

    • Ex Post Facto Design

      • Studies relationships after an event has occurred.
      • Investigates possible causes of pre-existing phenomena.

    • Quasi-Experimental Design

      • Aims to establish cause-and-effect relationships but lacks random selection, which may impact validity.
      • Example: Analyzing the impact of unemployment on attitudes toward safety protocols.

    • Experimental Design

      • Establishes cause-and-effect relationships through random assignment and treatment interventions.
      • Provides more conclusive results compared to other designs.

    Characteristics of Quantitative Research

    • Objective nature, minimizing subjectivity in findings.
    • Research questions are clearly defined and focused.
    • Utilizes structured instruments like questionnaires or checklists.
    • Data is presented numerically, allowing for statistical analysis.
    • Typically involves large sample sizes to enhance reliability and validity.
    • Findings can predict future outcomes and verify existing concepts.
    • Designed to be replicable for consistency in research.

    Learning Objectives

    • Define quantitative research.
    • Describe the characteristics and strengths/weaknesses of quantitative research.
    • Create suitable types of quantitative research for various fields of interest.

    Key Topics in Quantitative Research

    • Inquiry methodology and principles.
    • Comparison between quantitative and qualitative research methods.
    • Non-experimental vs. experimental research classifications, including survey research strengths, designs, and ethical principles.

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    PRACTICAL-RESEARCH-2_SC.pptx

    Description

    Explore the main types of quantitative research, including survey research, correlational studies, and experimental research. This quiz will help you understand the characteristics and relationships within populations, as well as the impact of interventions. Test your knowledge on these essential research methods and their applications.

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