Immersion is not enough: Design quality as the key determinant of perceived effectiveness and usage intention in educational virtual reality. - Achmad Samsudin; Muhammad Zahran; Eki Nugraha; Hadi Nasbey; Mustafa Sozbilir; Nor Farahwahidah Abdul Rahman; Takashi Irie (Comput. Educ. X Real., 2026)