Rumor has it that those heuristics were used to detect spies. https://skeptics.stackexchange.com/questions/41599/was-the-stroop-effect-used-to-catch-spies http

Rumor has it that those heuristics were used to detect spies. https://skeptics.stackexchange.com/questions/41599/was-the-stroop-effect-used-to-catch-spies https://skeptics.stackexchange.com/questions/41599/was-the-s...