Frank Esser, Jesper Stromback and I edited and contributed to a special issue of Journalism (published in 2012, but all articles are on Online First: http://jou.sagepub.com/content/early/recent)
The special issue contains:
Peter Van Aelst, Tamir Sheafer, and James Stanyer: The personalization of mediated political communication: A review of concepts, operationalizations and key findings.
Günther Lengauer, Frank Esser, and Rosa Berganza: Negativity in political news: A review of concepts, operationalizations and key findings.
David Nicolas Hopmann, Peter van Aelst, and Guido Legnante: Political balance in the news: A review of concepts, operationalizations and key findings.
Toril Aalberg, Jesper Strömbäck, and Claes H . de Vreese: The framing of politics as strategy and game: A review of concepts, operationalizations and key findings.
Carsten Reinemann, James Stanyer, Sebastian Scherr, and Guido Legnante: Hard and soft news: A review of concepts, operationalizations and key findings.
Susana Salgado and Jesper Strömbäck: Interpretive journalism: A review of concepts, operationalizations and key findings