Colin has agreed to take part in a study on "preferences for different fast foods". when he arrives for the study, he is asked to read an account of a sexual assault and to indicate the guilt and punishment he would assign to the assailant. this procedure best illustrates

The use of deception

Explanation:

Although some studies are not conducting without deception. The APA has some code and ethics to conducts a research study. All practitioners have to follow the norms of APA during their research program.  

first, the romans stayed isolated because they had to defend their own territories from neighboring cities that were harassing them, like the etruscans. second, once the romans managed to defeat their neighbors, and started to expand their territory, they started to build roads and bridges. finally, now that the romans have covered their territory with roads functioning as highways, they could mobilize their legions faster to assemble larger military units in a specific place

the first question's answer is a.