The process through which professional scientists evaluate the quality of each other’s research is called
Which statement describes a common measurement error?
Typical methods of classroom scientific communication include
Which statement describes a problem with the peer review process in scientific research?
Juan is planning an investigation about natural reserves. Which of these is most likely to be a reliable source of scientific information on the Internet?
Which best describes the role of communication in scientific investigations?
Two students are working together on an experiment that measures the effect of different liquid fertilizers on the thickness of plants’ stems. Which is most likely to result in the greatest amount of error in their scientific experiment?
A wildlife researcher weighed all the raccoons that were trapped in suburban neighborhoods before they were released back into the wild. The researcher used this data to conclude that the raccoons in the state were getting heavier. What error did the researcher make?
A television program that presents the most recent developments in cancer research would be considered
A medical researcher experimented with the effects of calcium intake on the healing time of broken bones. People who had similar broken bone injuries were divided randomly into two groups, one of which received a calcium supplement and one of which received a placebo. The data showed that there was no significant difference in healing times between the two groups, so the researcher concluded that calcium intake has no effect on bone healing time. Why is the conclusion of the researcher not justified?
A student is conducting an experiment to determine how cold temperatures affect the growth of tadpoles in a tank of water. Which instrument would be most appropriate to use in this experiment?
Which source is considered a primary source of scientific information?
Calibration of a measuring instrument is
A scientist told his student assistants that he had sorted groups of mice by their intelligence and asked the assistants to assess the groups’ maze-solving abilities. The scientist had not actually sorted the mice by intelligence. The students rated the “highest intelligence” group of mice as the best maze solvers and the “lowest intelligence” group as the worst maze solvers. What was the scientist trying to demonstrate by doing this experiment?
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