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dakotaadkins1818
20.03.2020 •
Social Studies
The gold standard of research designs are: Question 30 options: a) Adequate sample sizes b) Randomized controlled trials c) Free of known bias d) Adequate pilot testing
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Ответ:
b) Randomized controlled trials
Explanation:
Randomized controlled trials are usually viewed as the "gold standard of research designs" because they have a great potential of limiting or even eliminating all sorts of bias, and, therefore, provide the highest level of evidence when performing a research.
The answer is b) Randomized controlled trials
Ответ:
B) Randomized Controlled trials
Explanation:
Randomized controlled trial is (RCT) study in which people are allocated at random to receive one of several clinical interventions.A Randomized Controlled Trial is an experiment or study conducted in such a way that as many sources of bias as possible are removed from the process.
Of all the many ways research can be conducted, the gold standard level of proof where treatments and therapies are concerned is the Randomized Controlled Trial (RCT). ...
Ответ:
A) 0.265
B) 0.0265
C) 0.837
D) 0.0837
E) 0.00265
F) 0.00837
Step-by-step explanation:
We are given;
√7 = 2.65 and √70 = 8.37
A) √0.07 can be rewritten as;
√(7 × 1/100)
Let's deal with the digits in the bracket.
Square root of 100 is 10. Thus;
√(7 × 1/100) = (1/10)√7 = (1/10) × 2.65 = 0.265
B) √0.0007
Rewrite to get;
√(7 × 1/10000)
Square root of 1/10000 is 1/100
Thus;
√(7 × 1/10000) = (1/100)√7 = (1/100) × 2.65 = 0.0265
C) √0.7
Like above;
√0.7 = √(70 × (1/100))
>> (1/10)√70 = (1/10) × 8.37 = 0.837
D) √0.007
Like above;
Rewrite to get;
√(70 × 1/10000)
Square root of 1/10000 is 1/100
Thus;
√(70 × 1/10000) = (1/100)√70 = (1/100) × 8.37 = 0.0837
E) √0.000007
Rewritten to;
√(7 × (1/1000000))
√(1/1000000) = 1/1000
Thus; √(7 × (1/1000000)) = 1/1000 × √7 = 1/1000 × 2.65 = 0.00265
F)√0.00007
Rewritten to;
√(70 × (1/1000000))
√(1/1000000) = 1/1000
Thus; √(70 × (1/1000000)) = 1/1000 × √70 = 1/1000 × 8.37 = 0.00837