What does Media Effect refer to?

Media Effect as a measure

Media Effect is a measure of the likely number of occasions where readers remember having read about the subject of analysis in a positive/neutral or negative manner. The result is calculated by multiplying the number of read instances with the media quality score. The calculation is performed at the article level. Media Effect is a balanced metric that indicates the net impact between positive/neutral and negative perceptions. It is often used as a measure of brand-strengthening publicity.