Experimental Psychology

Which research method involves manipulating variables to observe their effects on behavior?

• Experimental method

• Case study method

• Survey method

• Observational method

What is the primary goal of experimental psychology?

• To understand behavior through systematic observation and experimentation

• To provide therapy for individuals with psychological disorders

• To predict future behaviors based on past experiences

• To analyze dreams and unconscious processes

What is the process of selecting a sample for a research study in such a way that every individual in the population has an equal chance of being chosen?

• Snowball sampling

• Stratified sampling

• Random sampling

• Convenience sampling

What is the term used to describe the tendency of researchers to favor information that confirms their preconceived notions or hypotheses?

• Confirmation bias

• Sampling bias

• Placebo effect

• Observer bias

In experimental psychology, what is the term used to describe the group that does not receive the experimental treatment?

• Experimental group

• Placebo group

• Control group

• Treatment group

Which term refers to the phenomenon where participants alter their behavior when they know they are being observed?

• Hawthorne effect

• Observer bias

• Confirmation bias

• Placebo effect

Who is often referred to as the 'father of experimental psychology'?

• John B. Watson

• Ivan Pavlov

• Sigmund Freud

• Wilhelm Wundt

Which statistical test is commonly used in experimental psychology to determine whether there is a significant difference between two or more groups?

• Correlation analysis

• T-test

• Analysis of Variance (ANOVA)

• Chi-square test

What is the term used to describe the phenomenon where participants unintentionally change their behavior based on cues from the experimenter or study design?

• Placebo effect

• Demand characteristics

• Confirmation bias

• Observer bias

Which of the following is a key principle of experimental design in psychology?

• Random assignment

• Confirmation bias

• Demand characteristics

• Convenience sampling