1977
DOI: 10.1002/sce.3730610312
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Controlling variables: Assessing levels of understanding

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Cited by 27 publications
(11 citation statements)
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“…Young children know when a previous test is "fair" or "not fair" when the variables are familiar; however they lack a general plan to set up "fair" tests ahead of time and in unfamiliar contexts (Wollman, 1977). For example, suppose two children run a race.…”
Section: Teaching a Specific Scientific Proceduresmentioning
confidence: 99%
“…Young children know when a previous test is "fair" or "not fair" when the variables are familiar; however they lack a general plan to set up "fair" tests ahead of time and in unfamiliar contexts (Wollman, 1977). For example, suppose two children run a race.…”
Section: Teaching a Specific Scientific Proceduresmentioning
confidence: 99%
“…As in the previous study of this series [3], questions were related to the phenomenon of a sphere rolling down a grooved incline, striking a target sphere at the bottom thereby sending it up another incline. The three questions which are the principal object of this article were preceded by two other questions, usually the two discussed in the previous article.…”
Section: Test Questions and Formatmentioning
confidence: 95%
“…The Ss were from the same urban and suburban communities as in the previous study [3]. As before, the urban high school sample included a greater proportion of lower SES Ss than did the urban prehigh school samples.…”
Section: Subjectsmentioning
confidence: 99%
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“…Young children have little difficulty in determining when a previous test is "fair" or "not fair" when the variables concerned are familiar (Wollman, 1977). However, they lack a general plan of attack or general strategy to use in setting up "fair comparisons" ahead of time and in unfamiliar situations.…”
Section: Developing the Procedures Of Controlled Experimentationmentioning
confidence: 99%