diff --git a/R/ard_aov.R b/R/ard_aov.R
index 1f1eb9cd8..bca4a6c62 100644
--- a/R/ard_aov.R
+++ b/R/ard_aov.R
@@ -4,32 +4,45 @@
 #' Analysis results data for Analysis of Variance.
 #' Calculated with `aov(data[[variable]] ~ as.factor(data[[by]]), data = data, ...)`
 #'
-#' @param x regression model object
+#' @param data (`data.frame`)\cr
+#'   a data frame.
+#' @param by ([`tidy-select`][dplyr::dplyr_tidy_select])\cr
+#'   column name to compare by. Should be a factor variable.
+#' @param variable ([`tidy-select`][dplyr::dplyr_tidy_select])\cr
+#'   column name to be compared. Should be a continuous variable.
 #'
 #' @return ARD data frame
 #' @export
 #'
 #' @examples
-#' lm(AGE ~ ARM, data = cards::ADSL) |>
-#'   ard_aov()
-ard_aov <- function(x) {
+#' cards::ADSL |>
+#'   ard_aov(by = "ARM", variable = "AGE")
+ard_aov <- function(data, by, variable) {
   # check installed packages ---------------------------------------------------
   cards::check_pkg_installed("broom", reference_pkg = "cardx")
 
   # check/process inputs -------------------------------------------------------
-  check_not_missing(x)
+  check_not_missing(data)
+  check_not_missing(variable)
+  check_not_missing(by)
+  check_data_frame(data)
+  cards::process_selectors(data, by = {{ by }}, variable = {{ variable }})
+  check_scalar(by)
+  check_scalar(variable)
 
   # build ARD ------------------------------------------------------------------
   cards::tidy_as_ard(
     lst_tidy =
       cards::eval_capture_conditions(
-        stats::aov(x) |>
+        stats::aov(stats::reformulate(by, response = variable), data = data) |>
           broom::tidy() |>
           dplyr::slice_head()
       ),
     tidy_result_names = c("term", "df", "sumsq", "meansq", "statistic", "p.value"),
+    fun_args_to_record =
+      c("formula"),
     formals = formals(stats::aov),
-    lst_ard_columns = list(context = "aov")
+    lst_ard_columns = list(group1 = by, variable = variable, context = "aov")
   ) |>
     dplyr::mutate(
       .after = "stat_name",