Understanding Quantitative Research Designs

The video tutorial provides an overview of quantitative research designs, including descriptive, correlational, experimental, and quasi-experimental research. It explains the purpose and methods of each design, such as observational studies, case studies, surveys, and experiments. The tutorial also covers the concepts of independent and dependent variables, control groups, and the importance of randomization in true experimental research.

What is the primary focus of quantitative research designs?

• To study the impact of literature

• To analyze historical events

• To explore qualitative data

• To discover how many people think, act, or feel in a specific way

Which of the following is a type of quantitative research design?

• Ethnographic research

• Descriptive research

• Phenomenological research

• Narrative research

Which method is NOT a part of descriptive research?

• Observational studies

• Case studies

• Surveys

• Clinical trials

Which type of descriptive research involves an in-depth study of an individual or small group?

• Observational study

• Case study

• Survey research

• Experimental study

What is the main goal of correlational research?

• To find differences between groups

• To describe a population

• To establish cause and effect

• To determine relationships between variables

What does correlational research aim to measure?

• The difference between means

• The degree of association between variables

• The historical context of events

• The impact of interventions

In experimental research, what is the role of the independent variable?

• It is manipulated to observe its effect

• It is the same as the dependent variable

• It is the outcome of the study

• It remains constant throughout the study

In an experiment, what is the dependent variable?

• The variable that is ignored

• The variable that remains constant

• The variable that shows the effect

• The variable that is manipulated

What distinguishes true experimental research from quasi-experimental research?

• The focus on qualitative data

• The presence of randomization

• The absence of a control group

• The use of surveys

Which research design allows for non-random selection of subjects?

• Correlational research

• Descriptive research

• Quasi-experimental research

• True experimental research