Imagine you are the manager of a Chipotle restaurant, and you want your customers to recycle their water cups rather than throw them away. According to Goldstein, Cialdini, & Griskevicius (2008), what might be the most effective way to get customers to recycle more? Group of answer choices a. Posting a sign above the trash can that says, "Help Save Mother Earth, Please Recycle." b. Posting a sign above the trash can that says, "95% of people who have eaten here at this Chipotle recycle every day." c. Posting a sign above the trash can that says, "95% of United States citizens recycle every day." d. Posting a sign above the trash can that says, "95% of men and 95% of women recycle every day