کلمه covary در این جمله به چه معناست؟

Question

در این جمله covary به چه معناست؟

 

Particularly, she found that the ability to create identifiable forms, use coiled construction, and form a consistent wall angle tended to covary and were the most significant in­dicators of a progression from low- to high-skill levels in ceramic pro­duction and therefore the most sensitive indicators of child learners.

Answer 1

تغییر همزمان دو یا چند متغیر