Izmir believes that all people have free will and can reach their full potential. Izmir's beliefs are MOST closely aligned with psychological theory.

Humanistic.

Explanation:

The humanistic psychological approach believes that humans, taken as individuals, are completely unique and should be treated and studied as such. And this individuals, given the tools and correspondent treatment, could be able to arrive to their full potential and free will, closely matching Izmir believes that all people have free will and can reach their full potential.

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.

answer; does not include a reference to the audience;