The phrase "aim and rationale" is correct and usable in written English.
It can be used when discussing the purpose and reasoning behind a particular action, project, or decision.
Example: "In our report, we will outline the aim and rationale for implementing the new policy."
Alternatives: "purpose and reasoning" or "objective and justification".
David Bollier, "The Power of Openness": A thorough online introduction to the aims and rationale of the open source movement.
After the 'bad news' consultation the urologist or prostate cancer nurse informed the participant about the study and provided them with a study information sheet (that detailed the study aims and rationale) and a consent form.
Participants in the patient focus groups could understand the aims and rationale for the register and made reference to the benefits as being for the 'common good' and to advance research: "….
Questionnaires were sent to these identified clinicians in September 2003 with a covering letter explaining its aims and rationale, a stamped addressed envelope and additional questionnaires to distribute to other relevant colleagues.
Aim of and rationale for this investigation was to test whether some ADHD and/or OCD behavioural symptoms, like impulsive and/or compulsive behaviour, may be generated in-vivo via an auto-immune challenge.
They trace the aims and rationales that have guided the inculcation of patriotism in American schools over the years, the methods by which schools have sought to cultivate patriotism, and the conceptions of patriotism at work in those aims, rationales, and methods.
The main aims and rationales for antiretroviral therapy in acute HIV-1 infection are confinement of genetic diversity of viral quasispecies to prevent escape from adaptive immunity, restriction of CD4+ T-cell loss, preservation of immune functions, and inhibition of initial viral spread throughout the possible sites of replication.
If you now have the key experiments to fully justify and support your investigation described in the hated aim, then presenting this information and rationale could make the aim fly.
Aims: We aimed to describe rationale, prerequisites, barriers and potential strategies for creating car free cities.
Similarly, in the example review for thematic synthesis, 12 criteria were applied: five related to reporting aims, context, rationale, methods and findings; four relating to reliability and validity; and three relating to the appropriateness of methods for ensuring that findings were rooted in participants' own perspectives.
