This document provides an overview of a research study on the relationships between perceptual learning styles, language learning strategies, and learning efficiency among junior high school students in central Taiwan. The study aims to determine if there are relationships between perceptual learning style preferences and language learning efficiency, and between language learning strategies and language learning efficiency. The document outlines the research background, statement of the problem, purpose of the study, research questions, literature review on relevant topics, methodology including participants and instruments (Perceptual Learning Style Preference Questionnaire and Strategy Inventory for Language Learning), and research procedures.