Understanding Psychology Research Methods

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

• To ensure the experiment is ethical

• To provide a baseline for comparison

• To increase the sample size

• To manipulate the independent variable

Which of the following is a qualitative research method commonly used in psychology?

• Survey

• Experiment

• Case study

• Correlation

In psychological research, what does the term "reliability" refer to?

• The accuracy of the results

• The consistency of the results

• The ethical standards of the study

• The validity of the conclusions

Which of the following is an example of a longitudinal study?

• Observing a group of children for one day

• Surveying different age groups at one point in time

• Studying the same group of people over several years

• Conducting an experiment in a laboratory setting

What is the main advantage of using a double-blind study?

• It reduces the cost of the study

• It eliminates the placebo effect

• It prevents bias from both participants and researchers

• It increases the sample size

Which of the following is a measure of central tendency?

• Range

• Standard deviation

• Mean

• Variance

In an experiment, what is the variable that is manipulated by the researcher called?

• Dependent variable

• Independent variable

• Confounding variable

• Extraneous variable

What is the primary goal of a correlational study?

• To establish cause and effect

• To determine the relationship between variables

• To manipulate variables

• To test a hypothesis

Which of the following is an ethical consideration in psychological research?

• Ensuring the study is cost-effective

• Obtaining informed consent from participants

• Using complex statistical analyses

• Publishing results in a reputable journal

What does the term "validity" refer to in the context of psychological research?

• The consistency of the results

• The accuracy of the measurement

• The size of the sample

• The ethical standards of the study