I don’t think simple definitions of scientific method really catch the reality of how research is carried out. That is why I prefer not to use an algorithmic description of scientific method. Instead the definition suggested by Neil deGrasse Tyson appeals:
“Science is doing whatever it takes to avoid being fooled by reality”
Here’s a nice little cartoon outlining how real science can often be a frustrating and messy process.
Click on the image for a larger version)
With thanks to Biology Update (@BiologyUpdate)