A synthesis reaction or direct combination reaction is one of the most common types of chemical reactions. In a synthesis reaction two or more chemical species combine to form a more complex product.
A design review is a milestone within a product development process whereby a design is evaluated against its requirements in order to verify the outcomes of previous activities and identify issues before committing to-and if need to be re-prioritise-further work.
A research design is simply a plan for conducting research. It is a blueprint for how you will conduct your program evaluation. Selecting the appropriate design and working through and completing a well thought out logic plan provides a strong foundation for achieving a successful and informative program evaluation.