Psychologically, the course's focus on the illusory character of suffering and the energy of your head to generate reality can be equally delivering and possibly dangerous. On a single give, the indisputable fact that we are able to surpass enduring by way of a change in notion can encourage persons to assume control of these emotional and psychological states, fostering a feeling of company and internal peace. On the other give, this perception can cause a questionnaire of spiritual bypassing, wherever persons dismiss or ignore real-life problems and emotional pain beneath the guise of religious insight. By training that most bad experiences are simple projections of the pride, ACIM may accidentally encourage persons in order to avoid approaching main emotional dilemmas or participating with the real-world reasons for their distress. This approach can be especially harmful for persons dealing with critical intellectual health conditions, as it can prevent them from seeking necessary medical or therapeutic interventions.

Empirically, there's small to no scientific evidence promoting the metaphysical claims created by ACIM. The proven fact that the bodily world is an impression developed by our combined vanity lacks empirical help and operates counter to the vast acim human anatomy of medical information accumulated through generations of observation and experimentation. While subjective activities of transcendence and religious awareness are well-documented, they do not give goal proof of the non-dualistic truth that ACIM describes. Additionally, the course's assertion that adjusting one's feelings may transform reality in a literal sense is reminiscent of the New Believed action and the more new legislation of interest, equally of which were criticized for missing clinical validity. The placebo influence and the energy of good thinking are well-documented phenomena, but they do not support the great metaphysical claims created by ACIM.

Moreover, the origins of ACIM increase additional issues about its credibility. Helen Schucman, the psychologist who transcribed the course, explained her knowledge as receiving dictation from an inner style she recognized as Jesus. This process of channeled publishing is not special to ACIM and can be found in some other religious and spiritual texts for the duration of history. The subjective character of these experiences helps it be hard to verify their authenticity. Critics argue that such texts are much more likely services and products of the subconscious mind rather than communications from the heavenly source. Schucman herself had a complicated connection with the product, allegedly experiencing significant inner struggle about their content and their roots, which adds another coating of ambiguity to the course's claims of heavenly authorship.

In addition, the language and design of ACIM tend to be esoteric and abstract, rendering it burdensome for several readers to know and use their teachings. The class is written in a highly stylized kind of English, with heavy, lyrical prose that may be difficult to interpret. This complexity may result in a wide variety of understandings, a number of that might diverge somewhat from the supposed message. The ambiguity of the text allows for subjective numbers, which may result in misunderstandings and misapplications of their principles. This insufficient clarity can undermine the course's usefulness as a functional information for spiritual growth and self-improvement.