They study diagnosis, child and adolescent development, learning theory, testing, ethics, and more.

他们学习诊断法，儿童及青少年的成长，学习理论，测试，道德等。

youdao

Ford Motor has already been testing the theory of small premium cars, with some success.

FORBES

We are further away from medical clinical application theory building, experimentation testing, etc.

FORBES: What's Better for Business: Logic or Emotion? Answers From Neuroscience

However, scientists are testing the theory that the volcanic eruption has increased iron in the water and will prolong the spring blooms into summer.

CNN: Could volcanic eruptions signal boom time for ocean life?