Exam 8: Correlational Research

Yeung reported a correlation of .70 between hours of exercise and self-reported stress-level in graduate students. Which of the following is an accurate statement regarding this result?

The criterion variable in a prediction study is the name for the

A Phi coefficient is used for

Which of the following demonstrates the strongest correlation coefficient?

Jack administered an achievement test with an internal consistency reliability of .65. Jack should interpret this result as

Shrinkage refers to

Which of the following cannot be a correlation coefficient?

Data collection for types of correlation studies is generally

Joyce read a study that reported students' age was correlated r = -.68 with classroom management referrals. This correlation indicates as age increases,

Of the following research topics, which is most likely to be a relationship study?

Kenji reported a correlation of r = -.85 between hours spent in community service and adolescent drug use. This finding suggests that

Jamie found an internal consistency reliability coefficient of .60 for his measure of spatial ability. Jaime's instrument

The correlation that Kim found in her study between math self-efficacy and enrollment in advanced mathematics was r = .25. Her correlation can be described as

Which of the following illustrates a correlational research topic?

Regarding sampling, one strategy to facilitate obtaining accurate results when there will be subgroup correlations is to select a

Computing the statistical significance of a correlation requires the

Qi's analysis indicated that for those students who took calculus in high school and then introductory calculus in the first year of University, grades were correlated r = .45. This indicates that high school grades and university grades are

Laura is designing a study of the extent to which standardized achievement test scores in high school predict college GPA using a large dataset of 50,000 students. Which of the following potential problems is most important to consider?

Attenuation refers to

Which of the following represents the strongest correlation?