background (present tense): some background information
範例:One of the basic principles of communication is that the message should be understood by the intended audience.
purpose (past tense/present perfect tnese): the principal activity (or purpose) of the study and its scope
範例:In this study the readability of tax booklets from nice states was evaluated.
method (past tense): some information about the methodology used in the study
範例:children performed as 5-trail task
results (past tense): the most important results of the study
範例:Older workers surpassed younger ones in both speed and skill jobs
conclusion (present tense/tentative verbs/modal auxiliaries): a statement of conclusion or recommendation
範例:The results suggest that the presence of unique sets of industry factors can be used to explain variation in economic growth.