After analyzing student test data, the teacher determines that the majority of students are either unable to pronounce or do not have an understanding of the meaning of the words in the science textbook. The teacher decides the most appropriate next step is to plan a series of instructional lessons on decoding unfamiliar vocabulary. The teacher's explicit instruction in which of the following word-learning strategies is likely to be most beneficial to students' development in decoding the targeted vocabulary?

While syllabication rules aid in pronunciation by teaching students how to break words into syllables, this approach does not necessarily enhance understanding of word meaning. It focuses more on the phonetic aspect of words rather than their morphological structure, which is less effective for comprehending complex vocabulary encountered in science textbooks.

Phonological awareness is crucial for early literacy development and helps students recognize and manipulate sounds in words. However, this skill is more foundational and does not directly address understanding or decoding the meanings of unfamiliar vocabulary, making it less suitable for the specific needs highlighted by the teacher.

Contextual analysis involves using surrounding text to infer meanings of unknown words. While this strategy can be helpful, it often requires some prior knowledge of vocabulary and may not provide the systematic approach needed for decoding complex scientific terms, which can be better addressed through morphological analysis.