Learning disabilities: disabilities involving understanding or using spoken or written language. Difficulties can appear in listening, thinking, reading, spelling, or math. To be classified as such, the problem must not be primarily the result of visual, hearing, or motor disabilities, emotional disorders, or environmental, cultural, or economic disadvantage. QUESTION Peer influence would have the strongest effect on a. JS, who, at age 30, is deciding whether to propose to his girlfriend. b. Frank, who, at age 10, is deciding whether to play baseball or hockey. c. Arman, who, at age 18, is choosing between two highly rated colleges. d. Linda, who, at age 45, is deciding which church group to join. e. Johann, who, at age 7, is choosing a project for art class.