COBRA (consumer's online brand related activities) is a theoretical framework related to understanding consumer's behavioural engagement with brands on social media. COBRA in literature is defined as " set of brand-related online activities on the part of the consumer that vary in the degree to which the consumer interacts with social media and engages in the consumption, contribution, and creation of media content."(Schivinski, Christodoulides, & Dabrowski, 2016, p. 66) 
Conceptually, the COBRAs concept draws from the work of Shao (2009). The author explored boundaries, in which consumers engage with user-generated media. Shao (2009) suggested that people engage with such media in three ways: by consuming, by participating, and by producing brand-related media.
The concept was further investigated in a qualitative research conducted by Muntinga, Moorman, and Smit in 2011. In their study, the researchers had analyzed data from 20 consumers and suggested three dimensions of analysis: consumption, contribution, and creation.
To validate the COBRAs framework, Schivinski, Christodoulides, and Dabrowski (2016)  developed a survey instrument to measure the consumer's engagement with brand-related social-media content, based on three dimensions (i.e., consumption, contribution, and creation) established by Muntinga, Moorman, and Smit (2011). Examples of the application of COBRAs follows:
Contribution: when consumers engage with online brand-related media by commenting on a post or "Liking" a piece of content, they are moving from the stage of "observer" to a "media contributor";
Creation: when consumers decide to upload a picture of a brand or product on Facebook, they are creating brand-related content.
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