The firm asked over 1,000 members to rank marketing channels by preference.
One in two (56%) chose email. The member's age is not a factor (41% of Millennials, 49% of GenXers, and 48% of Boomers chose email over other channels).
One in three (32%) chose direct mail.
Only one in four (26%) chose social media.
The study also found:
Two additional findings of the study should freak out any association marketer worth her salt: