I can, and can back it up.
http://www.radford.edu/~junnever/articles/sweden.pdf
The findings reported here indicate that Swedish youth have not become more unruly, undersocialized, or self-destructive following the passage of the 1979 corporal punishment ban. In fact, most measures demonstrated a substantial improvement in youth well-being.
...
As predicted by the findings of many studies demonstrating the relationship between corporal punishment and negative developmental outcome (Gershoff, 2000; Straus, 1994), such shifts in parental attitudes and behaviors have been followed not by chaos, but by improved functioning among Swedish youth.
It is used disproportionately against those with learning disabilities.
http://www.nytimes.com/2009/08/11/education/11punish.html
The report, based on federal Department of Education data, said that of the 223,190 public school students nationwide who were paddled during the 2006-7 school year, at least 41,972, or about 19 percent, were students with disabilities, who make up 14 percent of all students.
Banning corporal punishment of children
Sureshrani Paintal. Childhood Education. Olney: Fall 1999. Vol. 76, Iss. 1; pg. 36, 4 pgs
Consequences of Corporal Punishment
Accumulated research supports the theory that corporal punishment is an ineffective discipline strategy with children of all ages and, furthermore, that it is often dangerous. Corporal punishment most often produces in its victims anger, resentment, and low self-esteem. It teaches violence and revenge as solutions to problems, and perpetuates itself, as children imitate what they see adults doing. Research substantiates the following consequences of corporal punishment:
* Children whose parents use corporal punishment to control antisocial behavior show more antisocial behavior themselves over a long period of time, regardless of race and socioeconomic status, and regardless of whether the mother provides cognitive stimulation and emotional support (Gunnoe & Mariner, 1997; Kazdin, 1987; Patterson, DeBaryshe, & Ramsey,1989; Straus, Sugarman, & Giles-Sims,1997).
* A consistent pattern of physical abuse exists that generally starts as corporal punishment, and then gets out of control (Kadushin & Martin, 1981; Straus & Yodanis, 1994).
* Adults who were hit as children are more likely to be depressed or violent themselves (Berkowitz, 1993; Strassberg, Dodge, Pettit, & Bates,1994; Straus,1994; Straus & Gelles, 1990; Straus & Kantor, 1992).
* The more a child is hit, the more likely it is that the child, when an adult, will hit his or her children, spouse, or friends (Julian & McKenry, 1993; Straus, 1991; Straus, 1994; Straus & Gelles, 1990; Straus 8r Gelles,1990; Straus 8z Kantor, 1992; Widom, 1989; Wolfe, 1987).
* Corporal punishment increases the probability of children assaulting the parent in retaliation, especially as they grow older (Brezina, 1998).
* Corporal punishment sends a message to the child that violence is a viable option for solving problems (Straus, Gelles, & Steinmetz, 1980; Straus, Sugarman, & Giles-Sims, 1997).
* Corporal punishment is degrading, contributes to feelings of helplessness and humiliation, robs a child of self-worth and self-respect, and can lead to withdrawal or aggression (Sternberg et al., 1993; Straus, 1994).
* Corporal punishment erodes trust between a parent and a child, and increases the risk of child abuse; as a discipline measure, it simply does not decrease children's aggressive or delinquent behaviors (Straus, 1994).
* Children who get spanked regularly are more likely over time to cheat or lie, be disobedient at school, bully others, and show less remorse for wrongdoing (Straus, Sugarman, & Giles-Sims, 1997).
* Corporal punishment adversely affects children's cognitive development. Children who are spanked perform poorly on school tasks compared to other children (Straus & Mathur, 1995; Straus & Paschall, 1998).
And more resources in case you are curious about it's effects.
Greven, P. 1991. Spare the child: The religious roots of punishment and the psychological impact of physical abuse. New York: Random House.
Straus, M., and D. Donnelly. 1993. Beating the devil out of them: corporal punishment in American families. San Francisco: Jossey-Bass.
Males, M. 1996. The scapegoat generation: America's war on adolescents. Monroe, Mass.: Common Courage Press.
I'm serious about you looking up how behavior management is currently taught to future teachers in college. It works. It will undoubtedly change as the understanding of development continues, but it is far better than corporal punishment.
There is a
huge difference in being "firm" and employing classroom behavior management techniques to reinforce a teacher's control of the class, and employing violence to achieve that end.
Read up.