Methods in Psychological Research
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Methods in Psychological Research
By Annabel Ness Evans, Bryan J. RooneyPearson's rr test is used to determine if there is a linear relationship between two continuous variables. Values of r can range from +1 to –1. The sign indicates the direction of the relationship, and the value tells us the strength.
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Methods in Psychological Research
By Annabel Ness Evans, Bryan J. RooneyWhen we have measures on two continuous variables and we want to know if these variables are systematically related, we might choose Pearson's r test. If we have rank-order data on two variables, we might choose Spearman's rank-order ...
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Methods in Psychological Research
By Annabel Ness Evans, Bryan J. RooneyPsychologists strive to contribute a portion of their professional time for little or no compensation or personal advantage. (APA, 2002, p. 3) In both research and the practice of psychology, we are given a position of trust.
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Methods in Psychological Research
By Annabel Ness Evans, Bryan J. RooneyIn this updated third edition of Methods in Psychological Research, authors Annabel Ness Evans and Bryan J. Rooney focus on applying concepts and doing research with simple in-text exercises.
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Methods in Psychological Research
By Annabel Ness Evans, Bryan J. RooneyThe Fourth Edition equips students with the tools they need to understand research concepts, conduct their own experiments, and present their findings.