Learning occurs in three domains–cognitive (thinking/head), affective (feelings/emotions), and psychomotor (physical). As designers we need to write course objectives that covers all three learning domains. Check out these articles related to writing learning objectives.
Learning taxonomies like Bloom’s Taxonomy (revised in 2000 by Anderson and Krathwohl) are a classification system for learning objectives. These taxonomies are useful tools for designers as they write course objectives to help create effective training. Check out the following resources related to Bloom’s Taxonomy.