Chaining is best described as:

Chaining is a behavioral technique that involves breaking down a complex behavior into smaller, more manageable parts or steps, which are then linked together in a specific sequence. This method is particularly effective in teaching tasks that have multiple components, as it allows an individual to learn each step through reinforcement and practice before combining them into the complete behavior.

In this approach, each step in the chain serves as a cue for the next step, facilitating the learning process by establishing a clear progression. For instance, teaching a child how to wash their hands would involve breaking it down into sequential steps like turning on the tap, wetting hands, applying soap, scrubbing, rinsing, and drying. Each step can be reinforced individually until the overall task is learned and performed as a single, cohesive sequence.

The other potential options are less aligned with the concept of chaining as they focus on distinct aspects of behavior or teaching methods that do not encapsulate the sequential learning process characteristic of chaining. By emphasizing the creation of a sequence for complex behavior development, the correct answer accurately reflects the essence of chaining in behavioral methods.