Table 1 Scale and source of measurement.

From: The power of social media influencers: unveiling the impact on consumers’ impulse buying behaviour

Variable

Source

Items

Influencer credibility

Munnukka et al. (2016), Ohanian (1990)

10

Message credibility

Li et al. (2013) and Voss et al. (2003)

8

Media credibility

Munnukka et al. (2016)

7

Trust in branded posts

Wu and Lin (2017)

7

Urge to buy impulsively

Parboteeah et al. (2009)

3

Persuasion knowledge

Vashisht and Royne (2016), Wu (2009)

4

Product affection

Moritz and Watson et al. (1998)

4

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