"the purpose of is to take action to bring women into full participation in the mainstream of american society now, exercising all privileges and responsibilities thereof in truly equal partnership with men." betty friedan, 1966

Which of the following  bestillustrates a negative reinforcer?               a.  copland gives up candy to stave off chronic acid indigestion.    b.  nancy learns that she prefers chocolate over vanilla.    c.  carmine changes his major to english lit after failing a math exam.    d.  on a hot day, lindberg always drinks lemonade.