Psychologist: Some people contend that children should never be reprimanded.
Conclusion
The view that any criticism, let alone punishment harms children's self-esteem is laudable but gives a dangerous answer to the question of how often punishment should be inflicted.
Evidence
When parents never reprimand their children, they are in effect rewarding them for unacceptable behavior, and rewarded behavior tends to recur.
Evaluate
Like so many Role and Main Conclusion questions, this argument has a Rebuttal structure. The author concedes some merit to the view she's rebutting . But she thinks the view is dangerous because it would be bad if children never got punished when they misbehave.
Goal
We're being asked about how the very first sentence functions in this argument. Our author definitely disagrees with the contention that "children should never be reprimanded". Her premises are all about countering that view: if we never reprimand kids, the kids are rewarded for their unacceptable behavior and will tend to behave that way again.