Exam 9: Correlational Research Designs

Jason finds a correlation of .85 between monthly homicide rates and monthly ice cream sales. However, he believes that the correlation is caused by monthly changes in temperature. In this case, temperature represents a(n) _____ variable.

In a multiple regression analysis, which of the following are most similar to correlation coefficients?

In a correlational research design, a spurious relationship is caused by

If the correlation between variables x and y is r = .50, then the coefficient of determination is

The technique of predicting a single outcome variable using a number of predictor variables is known as

Which of the following is a likely result of restriction of range?

A contingency table is a table that

Which of the following provides a visual image of the relationship between two quantitative variables?

In a correlational research design, Jonas finds that r = .82. Jonas's data demonstrates which of the following?

Which of the following statistics are used to show the relationships between variables in a path analysis?

The Pearson product moment correlation coefficient is used to assess the association between

A research design in which the same individuals are measured more than once over a time period long enough that changes in the variables could occur is known as a

A researcher found a positive correlation between income and job satisfaction in a sample of one hundred adults. The researcher should conclude

Anita has collected a large correlation matrix in which each of several conceptual variables has been measured more than once. She wishes to assess both the reliability of her measurements and the correlations among the conceptual variables in one analysis. Which of the following statistical procedures is appropriate?

A correlational study with two predictor variables and one outcome variable will be analyzed using which of the following statistics?

Which of the following analyses might be used to study the relationships in a longitudinal research design?

Consider the following relationship between violent material and aggressive behavior: Violent TV arousal aggressive behavior. In this case, arousal can be described as a

Reciprocal causation occurs when

Whereas a correlation matrix contains a series of Pearson correlation coefficients, a contingency table contains

A researcher finds that the number of times people carry an umbrella in a month is related to how fast the grass is growing This relationship is most likely to be