Cambodian people generally use social media sites before using Google to
find information. It is commonly assumed that social media is a place for first
impressions and where businesses must present their products and services.
This study used an explanatory sequential mixed method with a follow-up
explanation design to evaluate the construct validity of social media marketing
activities (SMMAs) with empirical data and developed assessment criteria for
SMMAs. The quantitative samples were chosen using the stratified sampling
technique, whereas the qualitative participants were chosen using the
purposive sampling technique. The quantitative data were gathered from 500
Cambodian social media users via Google Forms, whereas the qualitative data
were collected from seven experts via an online interview. Descriptive
statistics, confirmatory factor analyses (CFA), and content analysis were used
to examine and test the research hypotheses. Subsequently, the key results
were endorsed using a mixed method. The results uphold the research
hypotheses at the statistical level p < .01. CFA with the goodness of fit
indices confirmed the construct validity. The findings revealed SMMAs
assessment criteria in five components and 27 indicators, including perceived
risk, trendiness, interaction, customization, and entertainment, respectively.
The quantitative and qualitative research findings of the assessment criterion
of SMMAs in Cambodia, which were approved by the follow-up explanation
design, complement each other.