R/HCI.R

In kitdouble/ShinyIRT: Test and Item Analysis via Shiny

#' Homeostasis Concept Inventory Dichotomous Dataset
#'
#' @docType data
#' @name HCI
#' @description (\code{HCI}) dataset consists of the dichotomously scored responses of 651 students
#' (405 males, 246 females) to Homeostasis Concept Inventory multiple-choice test. It containts 20
#' items, vector of gender membership and identificator whether students plan to major.
#' @usage data(HCI)
#'
#' @author
#' Jenny L. McFarland \cr
#' Biology Department, Edmonds Community College
#'
#' @references
#' McFarland, J. L., Price, R. M., Wenderoth, M. P., Martinkova, P., Cliff, W., Michael, J., ... & Wright, A. (2017).
#' Development and validation of the homeostasis concept inventory. CBE-Life Sciences Education, 16(2), ar35.
#'
#' @keywords datasets
#'
#' @seealso \code{\link{HCItest}}, \code{\link{HCIkey}}
#'
#' @format \code{HCI} is a \code{data.frame} consisting of 651 observations on the 22 variables.
#' First 20 variables represent dichotomously scored responses to multiple-choice items (1 means
#' correct, 0 is incorrect). 21st column is a vector of gender membership; values 0 and 1
#' refer to males and females. 22nd column is a identificator whether students planning to
#' major in the life sciences.
"HCI"