Nonprofit organizations are dependent on donations and volunteers to remain operational. Most rely on persuasive communications to inform, educate, and convince recipients of their messaging to respond in order to raise funds and generate volunteers. Though the marketing and psychology literature has examined charitable giving and volunteerism, the effectiveness of persuasive messages to affect philanthropy, gift-giving, and fundraising is a gap in the cause marketing literature (Dann et al. 2007). Because consumers rarely enter a situation without preexisting attitudes or beliefs, it is expected that individuals exposed to an advertisement by a nonprofit organization will look for ways to compare the messages within the ad to their own beliefs and attitudes. Two theories help explain the processing that takes place in relation to attitudes, beliefs, and persuasive communications – elaboration likelihood model (ELM) and the theory of planned behavior (TPB). The research presented here combines these theories to answer questions regarding behavioral intention related to donating and volunteering when individuals are exposed to certain persuasive messages from a nonprofit organization. Results show that one’s involvement with the advertisement combines with one’s attitude toward donating to help determine propensity to donate and the amount of the donation. However, this is dependent …