Similarities and differences between psychiatry and counselling

A typical psychology master's program trains students to use psychotherapy to specifically treat severe mental disorders. While a counselor helps clients achieve overall wellness, a psychologist analyzes clients from an exact scientific perspective and then treats their individual problems.

Explanation:

productive most commonly means: achieving or producing a significant amount or result.

explanation:

productive can also mean:

these depend on how the word productive is used. most likely productive will mean   achieving or producing a significant amount or result.

the answer is d.index