Be skeptical of arguments based on very small samples of data, biased
samples, or samples for which there was no control sample.
NSES Content Standard A
Science as Inquiry: Abilities necessary to do scientific inquiry Grades 5-8, page 145 Design and conduct a scientific investigation. Students should develop general abilities, such as systematic observation, making accurate measurements, and identifying and controlling variables. They should also develop the ability to clarify their ideas that are influencing and guiding the inquiry, and to understand how those ideas compare with current scientific knowledge. Students can learn to formulate questions, design investigations, execute investigations, interpret data, use evidence to generate explanations, propose alternative explanations, and critique explanations and procedures. NSES Content Standard A
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