The most commonly diagnosed learning disorder is _____.

• A. Dyscalculia
• B. Dyslexia
• C. Autism spectrum disorder
• D. Attention-deficit/hyperactivity disorder (ADHD)

Answer: (B)

Verified step by step guidance

1. Understand that the question asks for the most commonly diagnosed learning disorder, which refers to difficulties specifically related to learning processes such as reading, writing, or math.
2. Review the definitions of each option: Dyscalculia is a learning disorder related to math skills; Dyslexia is a learning disorder primarily affecting reading and language processing; Autism spectrum disorder is a developmental disorder affecting social interaction and communication; ADHD is a neurodevelopmental disorder characterized by attention difficulties and hyperactivity.
3. Recognize that among these, Dyslexia is the most frequently diagnosed learning disorder, especially in educational and clinical settings, due to its prevalence and impact on reading skills.
4. Note that while ADHD and Autism spectrum disorder are common neurodevelopmental disorders, they are not classified strictly as learning disorders, which focus on academic skill difficulties.
5. Conclude that the correct answer is Dyslexia, as it is the most commonly diagnosed learning disorder affecting reading and language abilities.