Ricardo is studies friendship. He believes that happiness in a friendship depends on two things: the ability to trust one’s friend and a belief that one can be a good friend. He conducts a study to test his ideas. Assuming that his data match his theory, which of the following statements should he make?

Use the information from the Valverde scenario for this question. Based on this study, Dr. Valverde can make which of the following claims?

Use the information from the Gutierrez scenario for this question. Claudio’s concern is addressing which of the following?

Chloe interviews several teachers about their attitude toward teaching children who have autism. This is an example of what type of measurement?

Use the information from the Toure scenario for this question. Dr. Toure calculates a correlation coefficient (r) to examine the relationship between Question 1 and Question 2 and between Question 1 and Question 3. She finds a correlation coefficient of r = −0.81 between Questions 1 and 2 and a correlation coefficient of r = 0.68 between Questions 1 and 3. Which of the following is true of her findings?

Use the information from the Dr. Deci scenario for this question. In this study, “aggression is caused by higher exposure to testosterone in utero” was the _________.

Use the information from the Dr. Deci scenario for this question. In this study, “aggressive individuals will have had higher testosterone exposure” was the _________.

Use the information from the McManaman scenario for this question. Dr. McManaman also wants to test his measure on some university students. He has 300 university students complete his measure. He also asks them to complete a measure on addictive behavior in general and one on attitudes toward pornography use. He finds that his new measure is positively associated with each of these other measures. This procedure has provided evidence for the ___________ of Dr. McManaman’s measure.

To evaluate how well a study supports a frequency claim, which are the two most important validities to consider?

Use the information from the McManaman scenario for this question. Dr. McManaman asks his research mentor, who also studies pornography addiction, to review his new measure. His supervisor says that McManaman’s measure appears to test all the components she normally sees in people suffering from addiction to pornography. Given this information, Dr. McManaman’s measure has support for which of the following?