Two descriptions, however strong and interesting, do not constitute a comparison. Because each item is discussed in a block, there will be only one essential transition between the items. This method allows for more in-depth exploration of the similarities and differences and may be more appropriate when the writer wants to persuade the reader to accept an evaluation. Clear transitions which indicate comparison include also, in the same way, likewise, similarly. Contrasts are indicated by although, but, however, on the other hand, still, yet, nevertheless, in contrast.
Process analysis explores how a phenomena works.
Laboratory reports are also examples of process analysis, as are many reports on scientific research. Observation papers in the social sciences may also be descriptions of a process. Descriptions of or directions for technical procedures demand the use of process analysis. Historical information is also often presented in this chronological order. The essay must be unified by this thesis, and the transitions between steps need to keep the essay cohesive.