Incluye índice CONTENIDO: The benefit of asking the right questions -- What are the issue and the conclusion? -- What are the reasons? -- What words or phrases are ambiguous? -- What are the value conflicts and assumptions? -- What are the descriptive assumptions? -- Are there any fallacies in the reasoning? -- How good is the evidence: intuition, personal experience, testimonials, and appeals to authority? -- How good is the evidence: personal observation, research studies, case examples, and analogies? -- Are there rival causes? -- Are the statistics deceptive? -- What significant information is omitted? -- What reasonable conclusions are possible? -- Practice and review.