What does it mean when "the level of detail and formality of documentation is somewhat less of a focus when an adaptive approach is followed than when a predictive approach is followed." Oa. Detail and documentation are not required when an adaptive approach is follwed because everything is agreed upon verbally. Ob. Detail and documentation are less important when an adaptive approach is t is followed. Oc. Formal documentation is only required when a predictive approach is followed. Od. Detail and documentation are developed when needed and no earlier.