Exploring Psychology Research Methods

Which of the following is a common method used in psychological research to ensure that the sample represents the population?

• Random Sampling

• Convenience Sampling

• Snowball Sampling

• Quota Sampling

In an experiment, what is the primary purpose of using a control group?

• To increase the sample size

• To provide a baseline for comparison

• To ensure all variables are manipulated

• To eliminate the need for random assignment

Which data collection technique involves observing subjects in their natural environment without interference?

• Survey

• Experiment

• Naturalistic Observation

• Case Study

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

• It reduces the cost of the experiment

• It eliminates the placebo effect

• It prevents bias from both participants and researchers

• It allows for a larger sample size

In psychological research, what is the term for a variable that the researcher manipulates?

• Dependent Variable

• Independent Variable

• Confounding Variable

• Extraneous Variable

Which of the following is a characteristic of a well-designed experiment?

• Lack of a hypothesis

• Random assignment of participants

• Use of only qualitative data

• Absence of a control group

What is the primary purpose of using a case study in psychological research?

• To establish cause and effect

• To explore a phenomenon in depth

• To generalize findings to a larger population

• To conduct a large-scale survey

Which of the following is a measure of central tendency commonly used in statistical analysis?

• Range

• Variance

• Mean

• Standard Deviation

In a psychological experiment, what is the term for the outcome that is measured by the researcher?

• Independent Variable

• Dependent Variable

• Control Variable

• Confounding Variable

What is the main purpose of using statistical analysis in psychological research?

• To collect data

• To interpret data and draw conclusions

• To manipulate variables

• To conduct experiments