Ascertainment bias, Basic Statistics

Assignment Help:

Ascertainment Bias

A possible form of the bias, mainly in retrospective studies, which arises from a relationship amongst the exposure to the risk factor and the probability of detecting the event of interest. In a study comparing women by means of cervical cancer and a control group, for instance, an excess of oral contraceptive use among the cases might possibly be due to more regular screening for disease prevailing among the women are known to be taking the pill.


Related Discussions:- Ascertainment bias

Measures of dispersion (variation), Measures of Dispersion (Variation) ...

Measures of Dispersion (Variation) A measure of dispersion is to measure the spread among values of observations in a data set. There are three commonly used measures of disper

Determine the correct interpretations - confidence interval, Which of the f...

Which of the following statements are correct interpretations of a 95% confidence interval for μ? (a) 95% of the observations in the sample will be contained in the confidence i

Homework, Can I get help with statistics?

Can I get help with statistics?

Inventory, An audit of the accounting records of Loch Ness Ltd. for the yea...

An audit of the accounting records of Loch Ness Ltd. for the year ending 30 June 2012 discovered that the ending inventory balance was over-valued by $35,000. Upon further investig

Determine the approximate vertical reactions, 1. Use the portal method to d...

1. Use the portal method to determine the approximate vertical reactions. Circles represent pinned connections. 2. A steel 2" x 3" rectangular bar is 9' long (E = 29,000ksi

Statistic, any of your writer able to use the database given to generate th...

any of your writer able to use the database given to generate the null, alternative..etc.. into a power point presentation

What is their payout ratio?, The Equity accounts of Blydskap Ltd are shown ...

The Equity accounts of Blydskap Ltd are shown below: Ordinary Share Capital (R2 par value)                  R200 000 Share Premium

Reproduction rates, Reproduction rates: if the majority of births are thos...

Reproduction rates: if the majority of births are those of boys the population is bound to decrease while the reverse will be the case if the majority of births are girls. Similar

Probality, conceptof probality, theoretical, distribution, normal,binomial ...

conceptof probality, theoretical, distribution, normal,binomial and poisson

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd