The results of structural model test show that the standardization path coefficients are statistically significant (p < 0.01),
except for the coefficients of control variables to purchase decision. The R2 of purchase decision is 0.556, and the R2 of product
usefulness evaluation is 0.580 (Fig. 2).
Fig. 2 shows that product usefulness evaluation (b = 0.744, p < 0.01) is a strong predictor of purchase decision. As we
hypothesized that product usefulness evaluation would positively affect purchase decision, hypotheses H1 is supported.
Argument quality (b = 0.302, p < 0.01), source credibility (b = 0.278, p < 0.01), and tie strength (b = 0.265, p < 0.01) are
The results of structural model test show that the standardization path coefficients are statistically significant (p < 0.01),except for the coefficients of control variables to purchase decision. The R2 of purchase decision is 0.556, and the R2 of productusefulness evaluation is 0.580 (Fig. 2).Fig. 2 shows that product usefulness evaluation (b = 0.744, p < 0.01) is a strong predictor of purchase decision. As wehypothesized that product usefulness evaluation would positively affect purchase decision, hypotheses H1 is supported.Argument quality (b = 0.302, p < 0.01), source credibility (b = 0.278, p < 0.01), and tie strength (b = 0.265, p < 0.01) are
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