John is studying punishment assigned to male or female drivers who cause minor or serious injuries to a victim in an automobile accident. he predicts that male drivers will receive harsher punishments than female drivers only when the injuries caused are severe. however, when the injuries are mild, he predicts no difference in assigned punishment between male and female drivers. the moderator variable in this design is

In the study in which John is studying punishment assigned to male or female drivers who cause minor or serious injuries to a victim in an automobile accident

The moderator variable in the design is the gender of the victim. A moderator variable is the third variable that affects the correlation of two variables (the dependent and independent).

every society, in order to meet the needs of it's people, has to answer three basic questions:

- what should we produce?

- how should we produce it?

- for whom should we produce it?

this questions must be answered in order to, option b, aid in production decisions.

every country can't produce everything, no matter how rich their land is. it may be a matter of technology, resources or geographical conditions. so, these three questions must be resolved in order to get the most of the production of each land.

hope this !

the answer is d. amendments.