Research Methodologies Quiz

What is a key characteristic of a falsifiable theory?

• It can be tested and potentially disproven.

• It is based on opinions.

• It can be proven true.

• It is always accepted by the scientific community.

Which of the following is an example of a non-experimental methodology?

• Laboratory experiment

• Case study

• Randomized controlled trial

• Field experiment

What is the main purpose of a control group in an experiment?

• To manipulate the independent variable

• To receive the treatment being tested

• To serve as a baseline for comparison

• To ensure the experimenter is unbiased

What does a correlational study primarily investigate?

• The impact of a placebo

• The effect of a confounding variable

• The relationship between two variables

• Cause and effect relationships

Which of the following best describes a confounding variable?

• A variable that is intentionally manipulated

• A variable that is irrelevant to the study

• A variable that is kept constant

• A variable that influences both the independent and dependent variables

What is the Hawthorne effect?

• The tendency of participants to change their behavior because they know they are being observed

• The influence of the experimenter's expectations on the results

• The effect of a placebo on participants

• The impact of social desirability on self-reports

What is the main advantage of random sampling?

• It eliminates all biases

• It ensures a large sample size

• It increases the likelihood that the sample represents the population

• It guarantees a diverse sample

What is an operational definition?

• A definition that is universally accepted

• A definition that is used in qualitative research

• A definition that is based on a hypothesis

• A definition that specifies how a concept is measured or manipulated

What is the purpose of a meta-analysis?

• To conduct a new experiment

• To analyze data from a single study

• To combine results from multiple studies to draw a general conclusion

• To observe participants in their natural environment

What is a Likert scale commonly used for?

• Determining the sample size

• Measuring qualitative data

• Assessing the reliability of a study

• Measuring attitudes or opinions on a continuous scale