Which of the following describes the term 'successful technique'?

The term 'successful technique' is best described as a practice that meets specific success criteria when properly implemented. This definition emphasizes that a technique's effectiveness is measured against defined standards, ensuring that when the technique is applied correctly, it achieves the desired outcomes.

Successful techniques in accessibility, for instance, are not based on immediate or guaranteed results but rather on their adherence to best practices and established guidelines. The concept focuses on the importance of a systematic approach that involves proper implementation to ensure accessibility compliance. This contrasts with other options that suggest immediate results without a structured methodology or imply a lack of requirement for evaluation and testing. Assessing the effectiveness of techniques through implemented success criteria ensures ongoing improvement and adaptability, which are essential qualities in maintaining accessibility standards in documents.