The american psychological association and british psychological society have developed ethical principles urging investigators to:

The American Psychological Association and British Psychological Society have developed ethical principles urging investigators to "explain the research to the participants after the study has been completed."

Ethics alludes to the right standards of lead fundamental while completing examination. We have an ethical duty to shield look into members from hurt.  

In Britain ethical guidelines for research are distributed by the British Psychological Society and in America by the American Psychological Association. The motivation behind these sets of accepted rules is to secure research members, the notoriety of brain science and therapists themselves.

answer; i believe the correct answer is (a) the correlation between the cause variable and outcome variable is zero;