| agree_stat | Calculate Agreement statistic |
| bh_depend | Brown and Hudson's (2002, p. 153) Table 5.1a Data for 45 examinees on 30 test items |
| bh_gstudy | Brown and Hudson's (2002, p. 177) Table 5.8 Data for 30 examinees on 30 test items with an ID column and a total score column. |
| bh_item | Brown and Hudson's (2002, p. 124) Table 4.8 Item analysis data (first 10 items only) |
| b_index | Calculate B-index |
| crt_iteman | Calculate criterion-referenced item discrimination indices |
| if_fail | Calculate item facility for failing students |
| if_pass | Calculate item facility for passing students |
| if_total | Calculate item facility |
| item_phi | Calculate Item Phi |
| phi_domain | Calculate Brown's (1990) short-cut estimate for phi dependability |
| phi_lambda | Calculate Brennan's (1984) estimate for phi lambda |
| sd_pop | Calculate standard deviation for the population |
| subkoviak | Calculate Subkoviak's (1988) single administration consistency indices |
| sub_agree_coef | Subkoviak's (1988) table of approximate values of the agreement coefficient |
| sub_kappa_coef | Subkoviak's (1988) table of approximate values of the kappa coefficient |