These people think that children should be perfect. Alan Kazdin explains this very well in his article “Why Parents Expect Too Much From Their Kids”.
“It 's normal for a 2-year-old to get bent out of shape if he doesn 't get something he wants; it 's normal for a 3-year-old to lose it if there 's an unexpected change in the bedtime routine; it 's normal for a 6-year-old to fail to sustain focus on a baseball game, to pursue one fly ball with steely purpose and to let the next fall untouched in the grass because he 's daydreamin”. People think a child is older than it is, that it should be able to do more and be better than all the other children.
Alan Kazdin is a Professor of Psychology and Psychiatry at Yale University. He has written 49 books including some about parenting and child