R/stevens_1999.R

In gorica: Evaluation of Inequality Constrained Hypotheses Using GORICA

#' Sesame Street data based on Stevens (1999)
#'
#' Synthetic data based Stevens (1999, p. 596). This study
#' evaluates the effects of the first year of the Sesame Street television series
#' in a sample of 3-5 years old children in the USA (N = 240).
#'
#' \tabular{lll}{
#'   \strong{age} \tab \code{numeric} \tab Age in months\cr
#'   \strong{prebody} \tab \code{numeric} \tab Pretest on knowledge of
#'   body parts\cr
#'   \strong{prelet} \tab \code{numeric} \tab Pretest on knowledge of letters\cr
#'   \strong{preform} \tab \code{numeric} \tab Pretest on knowledge of forms\cr
#'   \strong{prenumb} \tab \code{numeric} \tab Pretest on knowledge of
#'   numbers\cr
#'   \strong{prerelat} \tab \code{numeric} \tab Pretest on knowledge of
#'   relational terms\cr
#'   \strong{preclas} \tab \code{numeric} \tab Pretest on classification
#'   skills\cr
#'   \strong{postbody} \tab \code{numeric} \tab Posttest on knowledge of
#'   body parts\cr
#'   \strong{postlet} \tab \code{numeric} \tab Posttest on knowledge of letters\cr
#'   \strong{postform} \tab \code{numeric} \tab Posttest on knowledge of forms\cr
#'   \strong{postnumb} \tab \code{numeric} \tab Posttest on knowledge of
#'   numbers\cr
#'   \strong{postrelat} \tab \code{numeric} \tab Posttest on knowledge of
#'   relational terms\cr
#'   \strong{postclas} \tab \code{numeric} \tab Posttest on classification
#'   skills\cr
#'   \strong{peabody} \tab \code{numeric} \tab Mental age score obtained from
#'   the Peabody Picture Vocabulary test
#' }
#' @docType data
#' @keywords datasets
#' @name stevens_1999
#' @usage data(stevens_1999)
#' @references Stevens, J. (1999). Applied multivariate statistics for the
#' social sciences. (3rd ed.). New Jersey, Lawrance Erlbaum Associates, Inc.
#' @format A data frame with 240 rows and 14 variables.
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