Annie conducts a correlational research study and calculates that the variables in question have a correlational coefficient of -.81. In this statistic, the negative sign gives us information about the of the relationship between the two variables.

Direction

Explanation: Signs assigned to valued obtained in correlation studies are used to designate the direction of the relationship between the variables involved. The positive sign signals a positive correlation, which means that an increase in variable A will result in a corresponding increasing in B OR a decrease in A will result in a corresponding decrease in B. WHILE the negative sign signals negative or inverse relationship between measured variables, that is as one variable increases, the other decreases and vice versa.

answer; ///it examines the interaction between genetics and culture in shaping human biology;