1. 1  a device, usually electronic, that processes data according to a set of instructions. The digital computer stores data in discrete units and performs arithmetical and logical operations at very high speed. ( 2 as modifier): computer technology, related prefix cyber-.
We are concerned with the analysis of data generated from an experiment. It is wise to take time and effort to organize the experiment properly to ensure that the right type of data, and enough of it, is available to answer the questions of interest as clearly and efficiently as possible.
For an experiment to be classed as a true experimental design, it must fit all of the following criteria. 1  The sample groups must be assigned randomly. 2  There must be a viable control group.  Only one variable can be manipulated and tested.