Mathematics, 13.08.2021 02:20 wananikwecurley99
A study is conducted in which two learning conditions are compared. In one condition, 100 students are instructed to read the book before coming to class (Read Before Condition). In the other condition, 100 students are instructed to read the book after coming to class (Read After Condition). A manipulation check confirms that students followed these instructions. At the end of the quarter, learning is assessed by measuring each student’s performance on the final exam. The researchers predicted that participants would perform better in the Read Before Condition than in the Read After Condition. The researchers analyzed their data using null hypothesis significant testing. Assuming that they employed a non-directional or two-tailed test of significance, and an alpha of .05, what would have been their null hypothesis?
Answers: 2
Mathematics, 22.06.2019 00:00
Sun country bus lines has 80000 shares of stock outstanding what would the dividend per share of stock be from a dividends declaration of 109600
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Mathematics, 22.06.2019 02:30
Aresearch study is studying the effects of a new drug for osteoporosis alzheimer's disease (ad) for women above the age of 65 years. a group of individuals with osteoporosis is randomized into two groups. one group is treated conventionally, and the second group is treated with the new medication. assessments are made at 3, 6, 12, 36, and 48 months. the conventionally treated group is assessed for ad using a serum blood test, and the treatment group is assessed for ad using a pet radiotracer that binds to beta-amyloid plaques. in comparing these 2 trial arms, the authors of the study may encounter which type of bias? a. selection bias on the risk of developing b. measurement bias c. confounding bias d. recall bias e. lead-time bias
Answers: 2
A study is conducted in which two learning conditions are compared. In one condition, 100 students a...
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