When conducting an in-depth analysis of the relative roles of heredity and environment in child development (the nature vs. nurture debate) and the 'multiplicative model of heredity and environment interaction' presented by Anne Anastasi, which of the following statements most logically explains how these two factors operate in human development?

Understanding Heredity and Environment Interaction

In child development, the relationship between heredity and environment is multiplicative rather than merely additive, as explained by psychologists Robert Woodworth and Anne Anastasi in their theoretical frameworks.

• Heredity: Provides the biological potential and developmental boundaries or limits for an individual.
• Environment: Determines the actual realization and direction of personality development within those genetically predetermined boundaries.

Therefore, option C is the most logically accurate statement representing this complex psychological interaction.