How does Reverend Hale help determine if citizens are truly committed to God?

He does this by identifying those with witchcraft in Salem and determining the appropriate solution which could be converting them to Christianity or evicting them from Salem.

Explanation:

In Crucible, Reverend Hale is described as a spiritual leader who worshipped God sincerely and had the special ability of identifying those who practiced witchcraft. He was almost always correct in his diagnosis. He endeavored to convict people based on evidence, however, there were times when members of the community subjected him to pressure and he made mistaken convictions.

Reverend Hale was a faithful believer who sometimes questioned his beliefs and was able to learn from the trust people like Elizabeth Proctor had in God.

answer; ; self control is necessary in becoming a "winner" in this sort of situation .

i have heard the mermaids singing, each to each.

i do not think they will sing to me