Any subgroup analysis should be one of the original research hypotheses in a study. True False

Any subgroup analysis should be one of the original research hypotheses in a study.

True

False

Solutions

Expert Solution

Ansswer: False

Explanation:

All out subgroup analysis ought not to be a bit of a median scientific preliminaries crucial (speculation checking out) exam besides if the sooner likelihood for a subgroup effect being available is in any occasion 20% and preferably better than 1/2. considerably under best situations, a subgroup investigation of a immediately out issue will every now and then have extra outstanding than half genuine potential to differentiate a mild subgroup impact, and all of the greater frequently is nearer to twenty%. All in all, for an unobtrusively controlled subgroup impact (this is, 20% pressure) besides if there's a strong in advance probability (that is, 1/2), the opportunity of a wonderful subgroup impact being a proper high quality finding might be below eighty%. In any occasion, while subgroup effect energy is super (that is, 80%), to reach at a eighty% authentic advantageous side calls for earlier likelihood of 20% better than half of.

Nightingale answered 1 year ago

Next > < Previous

Related Solutions

Choose whether the following statements are true or false. The null and alternative hypotheses should be...

Choose whether the following statements are true or false. The null and alternative hypotheses should be written in terms of the sample statistic. TrueFalse The test statistic is computed assuming that the null hypothesis is true. TrueFalse The test statistic is usually equal to the sample statistic ?⎯⎯⎯⎯⎯ TrueFalse The p-value is the probability that the null hypothesis is true. TrueFalse 19. The p-value is the probability that the alternative hypothesis is true. TrueFalse If the p-value is smaller than...

5. True or False: In a research study, the alpha () and the p-value are two...

5. True or False: In a research study, the alpha () and the p-value are two names for the same thing. (5) a. True b. False

a money market instrument has an original maturity of atleast one year. true or false?

. True or false? (1) There is at most one pivot in any row. (2) There...

. True or false? (1) There is at most one pivot in any row. (2) There is at most one pivot in any column. (3) There is at least one pivot in any row. (4) There is at least one pivot in any column. (5) There cannot be more free variables than pivot variables. (6) There is a linear system that has exactly two solutions. (7) The weights c1, ..., cp ? R in a linear combination c1v1 + ......

TRUE OR FALSE (GIVE SIMPLE REASONS) - The Law of One Price A) At any point...

TRUE OR FALSE (GIVE SIMPLE REASONS) - The Law of One Price A) At any point in time, the price of two equivalent goods trading in different competitive markets will be the same. B) One useful consequence of the Law of One Price is that when evaluating costs and benefits to compute a NPV, we can use any competitive price to determine a cash value, without checking the price in all possible markets. C) If equivalent goods or securities trade...

1. True / False a.) An Observational study is sufficient to claim causation. True or False?...

1. True / False a.) An Observational study is sufficient to claim causation. True or False? b.) The interquartile range is an accurate measurement of dispersion for skewed data sets. True or false? c.) Variance is a measure of central tendency. True or False? d.) One can find the mode of any data set. True or False? e.) The mean is an accurate measurement of central tendency for skewed data sets. True or false? 2. Outline how to...

Maximising revenue should be the goal of the company. True False QUESTION 2Which one of the...

Maximising revenue should be the goal of the company. True False QUESTION 2Which one of the following statements about business valuation is NOT true? Actions by competitors also affect the value of a business. The value of a business changes over time. There is no such thing as the market value for a business. There is a single value for any business. QUESTION 3In finance, the fundamental determinant of an asset's value is the future cash flow it is expected...

1) TRUE OR FALSE: Parameters yield populations 2) TRUE OR FALSE: In a study entitled the...

1) TRUE OR FALSE: Parameters yield populations 2) TRUE OR FALSE: In a study entitled the relationship between study time and grades, study time is the predictor variable. 3) TRUE OR FALSE: Only experiments involve direct measurement by the researcher. 4) A response variable is also an outcome variable. 5) Statistical methods that use sample data to make statements about populations are called inferential statistics. 6) The IV is the variable that can be randomly assigned by the researcher.

True or False. When doing a cashflow analysis, cash outflows should be entered as positive numbers....

True or False. When doing a cashflow analysis, cash outflows should be entered as positive numbers. True or False What is the formula to find the average of cells A1, B1, B2, B3, B4 and B5? =average(A1,B1:B5) =avg(A1,B1:B5) =average(A1:B1:B2:B3:B4:B5) =avg(A1, B1, B2, B3, B4, B5) What is the beginning date in Excel that all serial numbers are based off of? 1/1/2000 1/1/1900 12/31/1899 1/1/1960 This formula in Excel determines if any conditions in a test are TRUE. IF AND OR...

Why is it important to give the original authors acknowledgement in a research study?

Subjects