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Nata [24]
3 years ago
13

Imagine that in Dr. Schulenberg's study, he notes that all of the students do extremely well on the midterm exam. When he looks

at the results of the final exam, he notices that all the students' exam scores went down. Given this information, which of the following threats might be present in his study?
Regression
Attrition
Maturation
Observer bias
Placebo effect
Social Studies
1 answer:
Alex73 [517]3 years ago
5 0

Answer: Regression

Explanation: Regression is the activity in which something returns to the state of low development.The measure of regression is seen when the stage of something reaches the previous level as compared to present.

The situation mentioned in the question also displays regression in the study because students have returned to the low stage regarding to marks in final exams as compared with mid-term exams.

Other options are incorrect because attrition is reduction in effectiveness of something, maturation is having matured state and observer bias is researching in bias manner. Placebo effect is the effect due to inert treatment with produces unknown consequences.

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Answer:

The correct answer is D. the fourth generation of Wilsons would score the highest on a standard IQ test.

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The Flynn effect refers to a trend discovered by researcher James Flynn, who after conducting research on the results of IQ tests of several different groups of people all over the world over several decades, found out that there's an increase in IQ scores over time. In other words, younger generations tend to perform better than the previous generations in these intelligence tests. By applying this idea of the Flynn effect to the Wilson family, <u>we would expect that the fourth generation of Wilsons would score the highest on a standard IQ test</u>. Currently, there's no single explanation for the Flynn effect, but researchers point out to environmental factors such as better schooling, better nutrition, improved health, and a social environment that actively stimulates newer generations to improve their performance.

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Black_prince [1.1K]

The Piaget's theory that explained how a preoperational children usually divert their focus on just one particular situation and shows negligence to other aspect is Centration.

  • Piaget's theory of  can be  Centration  regarded as a theory that explains how possible is it for a child to be focused at one aspect or point which cover them from seeing wider picture.

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Therefore, centration is about focusing on a point.

brainly.com/question/6426147?referrer=searchResults

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Because

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I hope it helped .

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