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Evidence Favoring the Use of Disciplinary Spanking

Evidence Favoring the Use of Disciplinary Spanking

There is a paucity of published research focusing on ordinary, non-abusive disciplinary spanking of young children administered by loving, well-intentioned parents.  There is, however, some quality research indicating short and long term efficacy of disciplinary spanking.

Short-Term Studies

The only studies that meet the most rigorous requirements for evidence-based medical practice are clinical field trials conducted by Roberts with clinically oppositional children.[i],[ii],[iii]  To determine which back-up or enforcer procedure was most effective in controlling a child’s escape from time-out, a spank procedure was tested against 3 other procedures in randomized clinical field trials.  The two-swat spank procedure was found to be the most effective, most preferred and most practical of all measures tested.  Forehand and McMahon in their research similarly found “a mild spanking to be the most feasible back-up for the child leaving the time-out chair.” [iv]  Even though these studies focused on spanking only as an enforcer of time-out, they are significant for other reasons:

Long-Term Studies

The long-term effects of any disciplinary measure, including spanking, are enormously influenced by the parental and environmental factors within the disciplinary process.  Baumrind conducted a decade-long prospective study of families with children ages 4-9 years.  She identified three general parenting styles and evaluated the effects these styles had upon the children’s development.  The following parenting styles were identified:

Authoritarian Parents were more controlling, more restrictive, less inclined to explain, more punitive, detached, and less warm.  To discipline they used fear, little encouragement and often corporal punishment.

Permissive Parents were markedly less controlling, minimally demanding, freely granting of the child’s demands, uninvolved with the child, and benign toward the child’s impulses and actions.  To discipline they used ridicule, guilt provocation, little power and reasoning, and rarely corporal punishment.

Authoritative Parents employed a combination of firm control and positive encouragement of a child’s independence.  They affirmed the child’s qualities and, yet, set a standard for future conduct.  They made reasonable demands of their children and promoted respect for authority.  They were more consistent with the discipline.  To discipline they used reasoning, power, reinforcement to achieve objectives, and some corporal punishment.

Some of the study’s findings included:

Baumrind published in 2012 a 10-year follow-up study of the outcomes of authoritative parenting.  Her findings confirmed that the authoritative style is optimal.

Guarendi found that 70% of the parents of “outstanding” (self-motivated, strong character, considerate of others, and high morality) students employed some physical punishment in the rearing of their children.[v]  Some relied upon it often and others rarely used it.  He found, “Spanking was generally considered to be one tool in a parent’s discipline repertoire.”

Larzelere and Kuhn’s 2005 meta-analysis of a quarter-century of literature uniquely compared physical punishment of children with alternative disciplinary measures, such as time-out, reasoning, privilege removal, physical restraint, and scolding.37  To address the methodological problem inherent in grouping all forms of physical punishment, they distinguished the following four categories: conditional spanking (used under limited conditions), customary physical punishment (typical manner of use by ordinary parents), overly severe physical punishment, and predominant physical punishment.  Additionally, Larzelere and Kuhn’s methods took into account selection biases, a confounding problem inherent in most studies of parental discipline since parents use disciplinary tactics to the extent that they perceive behavior problems in their children.  The review’s findings are summarized below.


In a positive family setting, spanking has been found to be a positive predictor of outcome.  Tennant even found that the childhood antecedents that were most associated with non-use of illegal drugs by young men were being spanked as a child, attending church and having a “happy” parental marriage.[vi]

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[i].  Roberts MW & Powers SW. Adjusting chair timeout enforcement procedures for oppositional children. Behavioral Therapy. 1990;21:257-271.

[ii].  Bean AW & Roberts MW. The effect of timeout release contingencies on changes in child noncompliance. J Abn Child Psych. 1981;9:95-105

[iii].  Day DE & Roberts MW. An analysis of the physical punishment component of a parent training program. J Abn Child Psychol. 1983;11:141-152.

[iv].  Forehand RL & McMahon RJ. Helping the noncompliant child. 1981;pp 79-80. New York:Guilford Press.

[v]  Guarendi R. Back to the Family. 1990;215-222. New York: Simon & Schuster.

[vi]  Tennant FS, Jr., Detels R, & Clark V. Some childhood antecedents of drug and alcohol abuse. American Journal of Epidemiology. 1975;102:377-385.