Why is vocabulary knowledge critical for reading comprehension?

Vocabulary knowledge is critical for reading comprehension because it directly impacts a reader's ability to understand and interpret the text. When individuals possess a strong vocabulary, they can grasp the meanings of words within various contexts, which allows them to fully comprehend the ideas and arguments presented in the material they are reading. Effective interpretation involves not just recognizing words but also understanding nuances, connotations, and the relationships between concepts conveyed in the text.

In contrast, while pronunciation may help get through a text, it does not guarantee understanding. Speed reading can be beneficial, but without solid vocabulary knowledge, comprehension may suffer; readers may be racing through text without fully absorbing its meaning. Lastly, vocabulary is not limited to standardized testing—it's a fundamental component of effective reading in all contexts, influencing academic success, professional communication, and everyday interactions. Thus, the enhancement of understanding and interpretation through vocabulary knowledge underscores its importance in reading comprehension.