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Author Question: As part of a study examining the role of different teaching methods on children's math abilities, ... (Read 98 times)

bobthebuilder

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on: Jan 15, 2021

Question 1

As adults age, their physical strength declines. What type of correlation exists between age and physical strength?

◦ a strong correlation
◦ a negative correlation
◦ a weak correlation
◦ a positive correlation

Question 2

As part of a study examining the role of different teaching methods on children's math abilities, Dr. Garneau tested the children using a standardized math test. In Year 1, the standard teaching method was used. In Year 2, a new teaching method was used. In Year 1, the test was administered in October, near the beginning of the school year. In Year 2, the test was administered in May, near the end of the school year. Although Dr. Garneau's results suggest that children in Year 2 demonstrated more math skills than children in Year 1, why are Dr. Garneau's results not very useful?

◦ There was no control group.
◦ Results due to teaching method are confounded by the time of year the children were tested.
◦ Children in Year 2 had the benefit of a different teaching method, so you can't compare them to children in Year 1.
◦ Different children were used in each group, and this is a confound.
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Marked as best answer by bobthebuilder on Jan 15, 2021

meryzewe

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Reply #1 on: Jan 15, 2021
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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bobthebuilder

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Reply 2 on: Jan 15, 2021
Excellent

vickyvicksss

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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