***Source*** :: [[AIH Ch5]] - Support the lesson objective - Are learner centered - Build on previous learning - Contain useful and meaningful content that is consistent with sound principles of learning. - Appeal to learners - Maintain learner attention and interest - Encourage learner participation, when appropriate - Lead learners in the direction of the behavior or outcomes specified in the learning objective - Provide proper stimuli and reinforcement - Contain quality photo, graphs, and text, as required - Are checked prior to use for completeness and technical accuracy - Contain appropriate terminology for the learner - Are properly sequenced - Are easy to understand - Include appropriate safety precautions #foi