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Professor Dr. Muhammad Abu Sheira, a faculty member at the College of Education at the Arab Open University – Jordan, participated as an external examiner in the discussion of the Master's thesis submitted by the researcher Muath Mahmoud Al-Sous, held at the Deanship of Research and Graduate Studies at Amman Arab University.

The thesis was titled:

“The Effectiveness of a Program Based on Cognitive Theory for Teaching Sign Language to Non-Deaf Individuals."

The examination committee consisted of Dr. Saeb Kamel Al-Lala as supervisor and rapporteur, Dr. Samer Ayasrah as internal examiner, and Professor Dr. Muhammad Abu Sheira as external examiner.

The defense was held within the framework of academic cooperation and the exchange of scientific expertise between higher education institutions, contributing to the support of scientific research and the advancement of postgraduate studies outcomes.

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