What should an I-O psychology consultant do at the conclusion of a consultation to ensure that changes are effectively implemented and result in success?

What should an I-O psychology consultant do at the conclusion of a consultation

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What should an I-O psychology consultant do at the conclusion of a consultation to ensure that changes are effectively implemented and result in success?

Should the consultant serve in any leadership role to ensure that changes result in long-term success for the company?

Provide at least two peer-reviewed sources as evidence to defend your conclusions.