feedback controlForums › Ask ACCA Tutor Forums › Ask the Tutor ACCA PM Exams › feedback controlThis topic has 1 reply, 2 voices, and was last updated 3 years ago by John Moffat.Viewing 2 posts - 1 through 2 (of 2 total) AuthorPosts August 20, 2020 at 11:46 am #581277 agnes222MemberTopics: 45Replies: 17☆☆Sir am not able to understand the difference between positive feedback adn negative feedback? August 20, 2020 at 3:46 pm #581302 John MoffatKeymasterTopics: 56Replies: 53806☆☆☆☆☆Variance analysis is feedback control.If the variance is adverse, we try to correct the problem so as to reduce the adverse variance in the future – this is negative feedback.If the variance is favourable, we try to take action so as to increase the variance in the future – this is positive feedback.(However I have no idea why you are interested in this for Paper PM. Just knowing what feedback and feedforward control are is quite sufficient 🙂 )AuthorPostsViewing 2 posts - 1 through 2 (of 2 total)You must be logged in to reply to this topic.Log In Username: Password: Keep me signed in Log In