4.2.1. Assessing ACD Using Unidimensional Metrics

Table 5 summarizes the findings for the entire period. Table 6 shows the mean, median, standard deviation, minimum and maximum values of SQNI and SCI question-based and SCI category-based for each company over the sample period.


**Table 5.** Mean values of the uni-dimensional measures of disclosure.

Note: SQNI = standardized quantity index; SCI is the scope index, the number of anti-corruption themes disclosed (percentage of disclosed themes to the maximum possible number of themes in the disclosure checklist). This is worked out first with a "theme" being defined more narrowly as a question (SCI-Question) and then more broadly as a category (SCI-Category).

**Table 6.** Descriptive statistics of uni-dimensional metrics for each extractive company across sample years.

