The phrase "purpose of deception" is correct and usable in written English.
You can use it when you are describing a plan or strategy that is meant to deceive someone or mislead them in some way. For example: "The leader of the company had a devious plan with the purpose of deception: to make the rivals think they were doing well while they were actually failing."
Additionally, people online will pose to be people they aren't for purposes of deception and in many cases, to commit crimes -- often stealing someone's identity in the process.
The purpose of the deception was to make more Cefaclor available for sale in the United States, the company admitted in its plea agreement.
Human trafficking is defined as the recruitment and movement of people, most often through the use of deception, threat, coercion, or the abuse of vulnerability, for the purposes of exploitation.
The use of deception for seed dispersal is less common.
This use of deception is necessary to conduct the study.
The block design of deception experiments has limited external validity.
The purpose of such a deception would have been to gain time to strengthen the position of the patriotic cause and avoid reactions that may have led to a counter-revolution, by making it appear that monarchical authority was still respected and that no revolution had taken place.
McLaren later said he opened the fashion store, originally called Let It Rock, for "the sole purpose of smashing the English culture of deception".
Anyone engaging in any form of deception for journalistic purposes (and this includes where they do not make it clear they are a journalist when making enquiries) should seek approval in advance by completing an Approval Form.
Even the very definition of 'campaign' is conceptually difficult, as it entangles the nature of the content (e.g., product or news), purpose of the source (e.g., deception, recruiting), strategies of dissemination (e.g., promotion or orchestration), different dynamics of user engagement (e.g., the aforementioned social bots), and so on.
