Although intercoder reliability has been considered crucial to the validity of a content study, the choice among them has been controversial. This study analyzed all the content studies published in the two major communication journals that reported intercoder reliability, aiming to find how scholars conduct the intercoder reliability test. The results revealed that some intercoder reliability indices were misused persistently concerning the levels of measurement, the number of coders, and the means of reporting reliability over the past 30 years. Implications of misuse, disuse, and abuse were discussed, and suggestions regarding proper choice of indices in various situations were made at last.

Examining the determinants of technology acceptance has been a central interest across disciplines. The technology acceptance model (TAM) and its variants and extensions are the most popular theoretical frameworks in this line of research. Two model-based meta-analytical approaches, that is, meta-meta-analysis and conventional meta-analysis, are used to pool the correlations and to test the path relationships among the variables of the TAM. We find that the extended TAM, which we term the TAM Plus, prevails in the model fit testing and that the results of the pooled correlations and path coefficients estimated using the meta-meta-analysis and meta-analysis are generally consistent.

However robust the conceptual and operational definitions of the perceptual component of the third-person effect are, evidence for claims on the behavioral dimension of the theory (i.e., support for restrictions of undesirable messages) is mixed. Are variations in research findings real or simply methodological artifacts? Through a meta-analysis of 35 empirical studies, we addressed this and other major issues with a rigorous multilevel modeling approach. We found that the third-person effect size was on the whole rather weak. Analyses showed that country of study plays an important role in moderating the effect. Implications for theory development were discussed.