Three experimenters are used in a study, and they are not consistent in administering the experimental treatments or recording the data. A threat to validity is:
a. testing.
b. instrumentation.
c. experimental mortality.
d. reactive effects of experimental arrangements.
b
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Teachers are in a prime position to observe children because:
a. they see children in relation to other children of the same age b. they spend fewer hours with a child and can, therefore, be more objective than the child's family c. they are not responsible for obtaining medical treatment for children's health conditions d. they are more knowledgeable about children's health
Which of the following materials is not designed for teaching parts and wholes?
a. ?A lotto game called What’s Missing? b. ?Dividing groups into smaller groups c. ?Magnetic numerals d. ?Cutting up a banana
Realistic fiction novels for children need to be written as
A. moral lessons. B. believable and possible stories. C. sex education appropriate to the child's age. D. real but pessimistic stories of life in this world.
The interdisciplinary science of learning is based on research from many fields that study learning. Despite their different perspectives, experts in the learning sciences agree on some basic assumptions. One basic assumption is that experts have deep conceptual knowledge. Another is that learning comes from the learner
Describe at least two practices in traditional classrooms that seem inconsistent with these assumptions. What will be an ideal response?