Here are some examples: How could the paper be improved? What would its value be if it were improved? Are the research aims well-defined? Is the paper adequately positioned within the context of what has been done before? This refers to the adequacy of the literature review. Have key reference areas been omitted? Are the references used outdated? Are they seminal? Do the authors mention research limitations? Is the research method and/or the research design explained? What is the underlying theoretical basis or framework? Does the paper fit within a particular research stream? Which research stream and why that research stream? What types of evidence are used to support the claims? Is counter-evidence considered? Etc