10 Questions
What is the statistical measure that indicates how much the participants' scores vary from one another?
Standard deviation
Which type of relationship is described when two variables increase or decrease together in a correlational relationship?
Positive correlation
In experimental analysis, what does a p-value of less than .05 typically indicate?
Statistical significance
What is the best way to determine causation in research?
Experimental analysis
Which type of correlation shows that when one variable increases, the other decreases?
Negative correlation
What is the term used to describe ethical guidelines followed by psychologists in research?
Research ethics
Which statistical measure gives an average of all scores in a data set?
Mean
In inferential statistics, what does a p-value below .05 suggest?
Less than 5% chance that results occurred by chance
What type of statistical relationship is characterized by a perfect positive correlation?
Perfect correlation
What is the main advantage of descriptive statistics?
Summarizing and simplifying data
Learn about different research methods such as observing language and behavior, measuring bodily reactions, and using self-reports in psychological research. Explore concepts like population, sample selection, random sampling, and sampling bias.
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