Start with a one-sentence introduction of the reading
Provide your commentary by making connections with the specific topics/themes covered by the reading with other research or class topics. Make suggestions for building on this readings topic for future research and why this would be an important next step (~1 paragraph)
Provide a discussion of the bigger implications of the reading and how that might connect to research with children/development, or other class topics. Explain why this topic should be considered/understood in childrens assessment, observation, and research, and how this topic applies to a practical or applied setting. (~1 paragraph)
A clear train of logical thought should follow in your commentary and critiques.
In general, your post should be ~2 paragraphs (~10-12 sentences. Your post should be concise and should not exceed 2.5 paragraphs maximum.