Recognition Tests........@wat is it???

Just came to know what recognition tests stand for???I got an assignment of Integrated Marketing Communications to conduct a market test for a soft drink commercial..I choose Nimbooz...
Process - You have to take a print advertisment and then by hiding it appropriately or by editing you have to show it to the respondents which will give the feedback accordingly...
After getting the feedback you have to provide scores accordingly & then have to relate it with the brand's sales or the success of the brand in grabing market share......Bias is also a part of it..As many respondents just by seeing the texture or the colour are able to relate with the brand...