A multiple-item Likert-type scale designed to measure the extent to which a viewer believes that the role played by a product in a show (tv, movie, play) was pertinent to the story line.
7-point Likert scale
Full scale items shown. Always cite the original source when using this scale in research.
Reported alpha coefficients range from .70 to .81 across samples or studies.
Homer, Pamela (2009), "Product Placements: The Impact of Placement Type and Repetition on Attitude," Journal of Advertising, 38 (3), 21-31.
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