Sentence examples for effective why from inspiring English sources

If they didn't think he was effective, why did they call him back?

So if the immune system is so effective, why doesn't it cure cancer on its own?

If giving deworming pills to schoolchildren is so easy and effective, why haven't more large-scale programs taken off?

But it highlights a bigger question: if competition is so effective, why not give the U.S. broadband business a taste of it, and leave neutrality to the Swiss?

Half their proposed projects involved nutrition.If malnutrition does so much damage and the actions against it are cheap and effective, why is the affliction only now being taken seriously?

But if these were effective, why would employees feel the need to moan on Facebook?In this section Gathering clouds Criss-crossed capitalism Icons no more Trains v planes Oh, grow up Losing face Raging bull ReprintsCommunications specialists say the rise of Facebook, MySpace and Twitter make it all the more important to reiterate online guidelines frequently.

If the economic benefits are clear and treatment so cost-effective, why are governments not doing more to ease the economic plight of blind people in low-income countries?

Online psychotherapy is clinically effective yet why, how, and for whom the effects are greatest remain largely unknown.

Which are more effective, and why?

Which ones are most effective and why?

"With scarce resources it is vital to understand whether and which initiatives are most effective and why.