R/dassdata-data.R

In doomlab/learnSEM: Learning Tutorials for Structural Equation Modeling

#' DASS Data: Depression, Anxiety, and Stress Inventory
#'
#' Study: The DASS is a measurement scale that examines
#' the depression, anxiety, and stress of an individual.
#'
#' The instructions were:
#' Please read each statement and select a number 0, 1,
#' 2 or 3 that indicates how much the statement applied
#' to you over the past week. There are no right or wrong
#' answers. Do not spend too much time on any statement,
#' but please answer each question.
#'
#' Scale 0-3: did not apply to me, applied to me to some
#' degree, applied to me to a considerable degree, or
#' applied to me very much
#'
#' Depression: Questions 3, 5, 10, 13, 16, 17, 21
#'
#' Anxiety: Questions 2, 4, 7, 9, 15, 19, 20
#'
#' Stress: 1, 6, 8, 11, 12, 14, 18
#'
#' @docType data
#'
#' @usage data(dassdata)
#'
#' @format A data frame with 794 rows and 30 variables.
#'
#'\describe{
#'   \item{Q1}{I found it hard to wind down.}
#'   \item{Q2}{I was aware of dryness of my mouth.}
#'   \item{Q3}{I couldn't seem to experience any positive feeling at all.}
#'   \item{Q4}{I experienced breathing difficulty.}
#'   \item{Q5}{I found it difficult to work up the initiative to do things.}
#'   \item{Q6}{I tended to over-react to situations.}
#'   \item{Q7}{I experienced trembling (eg, in the hands).}
#'   \item{Q8}{I felt that I was using a lot of nervous energy.}
#'   \item{Q9}{I was worried about situations in which I might panic and make a fool of myself.}
#'   \item{Q10}{I felt that I had nothing to look forward to.}
#'   \item{Q11}{I found myself getting agitated.}
#'   \item{Q12}{I found it difficult to relax.}
#'   \item{Q13}{I felt down-hearted and blue.}
#'   \item{Q14}{I was intolerant of anything that kept me from getting on with what I was doing.}
#'   \item{Q15}{I felt I was close to panic.}
#'   \item{Q16}{I was unable to become enthusiastic about anything.}
#'   \item{Q17}{I felt I wasn't worth much as a person.}
#'   \item{Q18}{I felt that I was rather touchy.}
#'   \item{Q19}{I was aware of the action of my heart in the absence of physical exertion.}
#'   \item{Q20}{I felt scared without any good reason.}
#'   \item{Q21}{I felt that life was meaningless.}
#' }
#'
#' @keywords datasets
"dassdata"