This research was an experiment study, aiming at investigating the effects of persuasive reading and writing on career intention to be professional farmers in high school students, as well as, examining psycho-social antecedents as correlates of career intention to be professional farmers. The subjects of this study were 652 high school students in 8 schools which locate the central region of Thailand with 284 male (43.56%), and 368 female (56.44 %), the average age of 16.01, the average GPA of 2.85, 358students (54.91%) attended science program, ...