Juan has created a new question item "To what extent do you like the previous U.S. Presidents?" What error(s) is present in the wording of this question? Please choose the best answer.

a-Loaded question

b-Loaded and double-barrel question

c-Lack of specificity

d-Double-barrel question

Jeanne plots the relationship between variable X and variable Z and finds that the Pearson's correlation coefficient between variables is -.003. This indicates...

a-There is a negative relationship between X and Z

b-Variable X causes variable Z

c-Variable X and variable Z are not strongly correlated

d-Variable X is a cause (though perhaps only one of many) of variable Z