Types of Quantitative Research

• What is the primary purpose of descriptive research?

  To provide answers to the questions of who, what, when, where, and how related to a research problem.
• Why does descriptive research not answer the question "why"?

  Because it does not seek to explain why certain things happen.
• What type of information does descriptive research gather?

  Information about the current status of a certain phenomenon.
• What is experimental research primarily designed to do?

  To identify cause-and-effect relationships between variables.
• How does experimental research allow researchers to control the situation?

  By manipulating the independent variable to detect its influence on the dependent variable.
• What question does experimental research seek to answer?

  What causes something to occur?
• What is the main goal of survey research?

  To acquire information concerning the predominance, distribution, and interrelations of variables within an identified group.
• What type of data do surveys primarily collect?

  Quantitative data.
• What does correlational research examine?

  The likelihood of interrelations among a number of variables.
• What does a high correlation between scores on two tests indicate?

  There is a high level of agreement between the two instruments.
• How does causal-comparative research differ from descriptive research?

  Causal-comparative research seeks to find out the causes of existing phenomena.
• What type of relationships does causal-comparative research aim to prove?

  Cause-effect relationships.
• In what way is causal-comparative research similar to experimental research?

  Both aim to generate cause-and-effect relationships.
• How are causal-comparative and correlational research similar?

  Both are non-experimental and lack manipulation of an independent variable.
• What do causal-comparative and correlational studies examine?

  Relationships among variables.