If your rewards are not having the desired effect on your toddler, you need to look at the other strategies you are using to deal with problem behaviour. (toddler-activities-at-home.com)
However, those strategies have not yet had the desired effect of stimulating the economy into a full recovery as banks have stuck to their guns on strict lending standards. (realtormag.realtor.org)
The world's efforts to reduce climate change are not having the desired effect on the levels of greenhouse gases that are found in the atmosphere. (earthtimes.org)