<prompt> Translate the following text to EnglishIngawa sera sahihi na vigezo ni muhimu kuhakikisha utaratibu wa maendeleo ya bidhaa ya elimu, motisha ambayo huathiri wachezaji muhimu katika mchakato wa ununuzi hatimaye kuamua kama wao kutumika kwa ufanisi.  <response>: While the right policy and criteria are necessary to ensure a disciplined, knowledge-based product development process, the incentives that influence the key players in the acquisition process will ultimately determine whether they will be used effectively. 