Why the Difference Matters When Children Are Involved?
When medical treatment or research involves children, the language of decision-making changes. Terms like consent and assent are often used interchangeably—but ethically, they mean very different things. Understanding this distinction is crucial for clinicians, researchers, and anyone interested in children’s rights in healthcare.
What Is Consent?
In healthcare and research, informed consent is not just saying “yes” or signing paper. It means that a person: understands relevant information, is able to weigh risks and benefits, and makes a voluntary decision. For adults with decision-making capacity, consent is ethically powerful. It is what authorises medical intervention or research participation.
Why Children Usually Cannot Consent
Children, particularly younger ones, lack the cognitive maturity and legal standing required for informed consent. This doesn’t mean their views are irrelevant—but it does mean their agreement alone cannot ethically or legally justify medical or research decisions. Instead parents or legal guardians provide consent on the child’s behalf and be the decision-makers whose role is to protect the child’s welfare and interests.
So then comes the question What Is Assent?
Assent is a child’s affirmative agreement to a proposed intervention or research participation. It is developmentally appropriate and tailored to what the child can reasonably understand. Assent is not the same as consent, It does not carry legal authority, It does not, by itself, justify proceeding. It respects the child as a developing person and involves them meaningfully in decisions that affect them.The Belmont Report states that “respect [for those whose comprehension is limited] requires giving them the opportunity to choose to the extent they are able, whether or not to participate in research”. Similarly, The Declaration of Helsinki merely states that in the case of individuals unable to give consent “the physician must seek [their] assent in addition to the consent of the legally authorized representative”.
What About Dissent?
Assent also includes the possibility of dissent—a child’s expression of unwillingness or refusal. While a child’s refusal does not always override parental consent (for example, in life-saving treatment), it carries real moral weight and should never be dismissed lightly.
Why This Distinction Matter?
Consent is a legal yes; assent is a moral yes. Confusing assent with consent risks placing unfair responsibility on children or overstating their decision-making authority. At the same time, ignoring assent altogether treats children as passive objects rather than persons with views, feelings, and growing capacities.Getting this balance right helps protect children and respect them.