Question

Mark thinks that language development over the life span requires a slow but steady shaping process. his belief is most directly relevant to the issue of continuity or _____.

Answer 1

His belief is most directly relevant to the issue of continuity or Stages.
Principles of continuity believe that human development happens gradually on a long-term process.
Principles of stages believe that human development happened in episodic manner (it occurs in series of distinct stages)

Answer 2

Stages.
   There are two noteworthy hypotheses about how individuals grow. On one hand, the progression hypothesis says that advancement is a steady, persistent process. Then again, the irregularity hypothesis says that improvement happens in a progression of unmistakable stages.