If a researcher is concened that the relationship between two variables is non-linear, which of the following might be good advice to help them improve their research?
A)Consider values of variables that have not been sampled and considering whether the study is compromised by failing to include these.
B)Draw a scatterplot and see if data fall on a straight line.If they do not, be alert to the limitations of tests for linear relationships.
C)Try to understand what is constraining responses on the affected variables.If possible, suggest alternative measures.
D)Suggest alternative interpretations of the correlation.Consider conducting experimental studies that might address issues of causality.

Question

Quizplus · Accepted Answer

Drawing a scatterplot and observing whether the data falls on a straight line or not is a good approach to identifying non-linear relationships. If the data does not follow a linear pattern, it is an indication that a linear regression analysis may not be appropriate.

If a Researcher Is Concened That the Relationship Between Two