#' @title Schmidt (2007)
#'
#' @description Data from a study by Schmidt (2007). The variables are as
#' follows:
#'
#' \itemize{ \item \code{Behavior_type}. Outcome measure description
#' (disruptive behavior or on task behavior). \item \code{Procedure}. The
#' observation recording procedure used to measure the outcome. \item
#' \code{Metric}. The metric in which the outcome measurement is expressed
#' ("count" for natural counts; "percentage" for percentage of intervals)
#' \item \code{Session_length}. Length (in minutes) of the observation
#' sessions \item \code{Interval_length}. If an interval method was used, the
#' length of the intervals (in seconds); \code{NA} otherwise. \item
#' \code{Case_Pseudonym}. Case Pseudonym provided by the authors. \item
#' \code{Session_number}. Within-series session-number. \item \code{Phase}.
#' Label for each unique phase (e.g., A1 is the first baseline phase, B2 is
#' the second treatment phase). \item \code{Condition}. Label indicating
#' whether the outcome is in the baseline (A) or treatment (B) phase. \item
#' \code{Outcome}. Outcome measurement. \item \code{Phase_num}. Indicator for
#' each pair of baseline and treatment phases. \item \code{direction}.
#' Direction of therapeutic improvement for the outcome. \item
#' \code{n_Intervals}. If an interval method was used, the total number of
#' intervals; \code{NA} otherwise. }
#'
#' @note Data were reconstructed from figures in the source document.
#' Consequently, outcome measurements in this dataset include additional error
#' from the reconstruction process and may not exactly match the original
#' source data.
#'
#' In earlier versions of the package (0.5.0 and earlier), the
#' \code{Case_Pseudonym} variable contained incorrect labels for each case,
#' which did not match the labels in the source document. Specifically, Faith
#' was incorrectly labeled as Albert; Lilly was incorrectly labeled as Faith;
#' and Albert was incorrectly labeled as Lilly.
#'
#' @docType data
#' @keywords datasets
#' @format A data frame with 172 rows and 13 variables
#' @name Schmidt2007
#' @source Schmidt, A. C. (2007). The effects of a group contingency on group
#' and individual behavior in an urban first-grade classroom. Masters Thesis,
#' University of Kansas, Department of Applied Behavioral Sciences. ProQuest
#' Dissertations & Theses Global, thesis number 1443719.
#' https://kuscholarworks.ku.edu/bitstream/handle/1808/32097/Schmidt_Anna_C_2007_5349292.pdf
#'
NULL
#' @title McKissick et al. (2010)
#'
#' @description Disruptive behavior data from a study by McKissick et al. (2010). All data were collected
#' via event counting. The variables are as follows:
#'
#' \itemize{
#' \item \code{Case_Pseudonym}. Case Pseudonym provided by the authors.
#' \item \code{Session_number}. Within-series session-number
#' \item \code{Condition}. Describes whether the outcome is in the baseline (A) or treatment (B) phase.
#' \item \code{Outcome}. Value for the outcome.
#' \item \code{Session_length}. Length of the observation session.
#' \item \code{Procedure}. The metric in which the outcome measurement is expressed, all "count".
#' \item \code{Session_length}. The length of the observation session.
#' }
#'
#' @docType data
#' @keywords datasets
#' @format A data frame with 35 rows and 4 variables
#' @name McKissick
#' @source McKissick, C., Hawkins, R. O., Lentz, F. E., Hailley, J., & McGuire, S. (2010).
#' Randomizing multiple contingency components to decrease disruptive behaviors and increase
#' student engagement in an urban second-grade classroom. \emph{Psychology in the Schools, 47}(9),
#' 944-959. https://doi.org/10.1002/pits.20516
NULL
#' @title Shogren et al. (2004)
#'
#' @description Data from a systematic review by Shogren et al. (2004)
#' on the effects of choice-making interventions.
#' These data were compiled and re-analyzed in Pustejovsky (2015).
#' The variables are as follows:
#'
#' \itemize{
#' \item \code{Study}. An ID for each study in the systematic review.
#' \item \code{Case}. Case Pseudonym provided by the authors.
#' \item \code{Measure}. Type of behavior observed as the outcome measure
#' \item \code{Phase}. Phase indicator, baseline phase is "No Choice" and treatment phase is "Choice."
#' \item \code{Percentage}. For those outcomes measured as percentage, outcomes value. \code{NA} for count outcomes.
#' \item \code{Observed}. For those outcomes measured as count, outcome value. \code{NA} for percentage outcomes.
#' \item \code{Possible}. For counts out of a maximum, lists the maximum value. \item \code{Recording_procedure} Recording procedure. CDR = "Continuous Duration Recording", EC = "Event Counting", "MTS = "Momentary Time Sampling", and PIR = "Partial Interval Recording."
#' \item \code{Session_length}. Length of the observation session in minutes.
#' \item \code{interval_length}. Length of the observation intervals for data observed using MTS or PIR.
#' \item \code{outcome}. Value for the outcome for all outcome types.
#' \item \code{direction}. Direction of therapeutic improvement for the outcome.
#' }
#'
#' @docType data
#' @keywords datasets
#' @format A data frame with 634 rows and 15 variables
#' @name Shogren
#' @source Shogren, K. A., Faggella-Luby, M. N., Bae, S. J., & Wehmeyer, M. L. (2004).
#' The effect of choice-making as an intervention for problem behavior. \emph{Journal
#' of Positive Behavior Interventions, 6}(4), 228-237.
#'
#' @references Pustejovsky, J.E. (2015). Measurement-comparable effect
#' sizes for single-case studies of free-operant behavior.
#' \emph{Psychological Methods, 20}(3), 342-359.
#'
NULL
#' @title Thorne and Kamps (2008)
#'
#' @description Data from an ABAB design conducted by Thorne and Kamps (2008).
#' These data were used as an example in Swan and Pustejovsky (2017). Academic engagement
#' was collected via continuous recording (marked as "other") and inappropriate
#' verbalizations were collected via event counting (marked as "count").
#' The variables are as follows:
#'
#' \itemize{
#' \item \code{Measure}. Outcome measure description (academic engagement or inappropriate verbalizations).
#' \item \code{Case}. Participant identifier.
#' \item \code{Session_number}. Measurement occasion.
#' \item \code{Outcome}. Outcome scores
#' \item \code{Trt}. Treatment indicators.
#' \item \code{Session_length}. Length of the observation session.
#' \item \code{Measure}. The metric in which the outcome measurement is expressed (count or other).
#' }
#'
#' @docType data
#' @keywords datasets
#' @format A data frame with 776 rows and 5 variables
#' @name Thorne
#' @source Thorne, S., & Kamps, D. (2008). The effects of a group contingency intervention on academic engagement and problem
#' behavior of at-risk students. \emph{Behavior Analysis in Practice, 1}(2), 12-18.
#'
#' @references Swan, D. M., & Pustejovsky, J. E. (2017).
#' A gradual effects model for single-case designs. http://doi.org/10.17605/OSF.IO/GAXRV
NULL
#' @title Schmidt and Stichter (2012)
#'
#' @description Data from an ABAB design conducted by Schmidt and
#' Stichter (2012). All data were collected via continuous recording.
#' The variables are as follows:
#'
#' \itemize{
#' \item \code{Case}. Participant identifier.
#' \item \code{Behavior}. Behavior type (Conversation, Initiations, or Responses).
#' \item \code{Trt} Treatment indicators.
#' \item \code{Outcome}. Outcome scores.
#' \item \code{Session_num}. Measurement occasion.
#' \item \code{Session_length} Length of the observation session.
#' \item \code{Procedure} The metric in which the outcome measurement is expressed, all "other".
#' }
#'
#' @docType data
#' @keywords datasets
#' @format A data frame with 180 rows and 5 variables
#' @name Schmidt2012
#' @source Schmidt, C., & Stichter, J. P. (2012). The use of peer-mediated interventions to
#' promote the generalization of social competence for adolescents with high-functioning autism
#' and Asperger's syndrome. \emph{Exceptionality}, 20(2), 94-113. doi:10.1080/09362835.2012
NULL
#' @title Wright & McCathren (2012)
#'
#' @description Data from a multiple baseline design conducted by Wright and
#' McCathren (2012), which evaluated the effects of two types of social story
#' interventions (a basic social story and a modified social story) on the
#' behavior of four children with autism. Both dependent variables were
#' measured using frequency counting for 10 minute observation sessions. The
#' variables are as follows:
#'
#' \itemize{
#' \item \code{Participant} Participant identifier.
#' \item \code{Session} Session number.
#' \item \code{Condition} Phase of the design (baseline, intervention A, or intervention B.
#' \item \code{Problem_behavior} Outcome scores.
#' }
#'
#' @docType data
#' @keywords datasets
#' @format A data frame with 97 rows and 5 variables
#' @name Wright2012
#' @source Wright, L. A., & McCathren, R. B. (2012).
#' Utilizing social stories to increase prosocial behavior and reduce
#' problem behavior in young children with autism.
#' \emph{Child Development Research}, 2012, 1-13. doi:10.1155/2012/357291
NULL
#' @title Crozier and Tincani (2015)
#'
#' @description Data from an ABAB design that evaluated a social story intervention
#' on the disruptive behavior of a preschool child with autism. The dependent variable,
#' number of disruptions, was measured using frequency counting for a thirty minute observation
#' session. The variables are as follows:
#'
#' \itemize{
#' \item \code{session}. Within-series session-number.
#' \item \code{phase}. Lable for each unique phase (e.g., A1 is the first baseline phase, B2 is the second treatment phase).
#' \item \code{score}. Value for the outcome.
#' }
#'
#' @docType data
#' @keywords datasets
#' @format A data frame with 24 rows and 3 variables
#' @name Crozier2005
#' @source Crozier, S., & Tincani, M. J. (2005). Using a modified social story to decrease disruptive behavior of a child with autism.
#' Focus on Autism and Other Developmental Disabilities, 20(3), 150-157.
NULL
#' @title Olszewski, et al. (2017)
#'
#' @description Data from a multiple baseline design across behavior looking at
#' four fluency measures (blends, segmenting, first part ID, first sound ID).
#' The dependent variable is a score on a subtest, with a maximum score of 20.
#' The variables are as follows:
#'
#' \itemize{
#' \item \code{behavior}. Outcome measure description (blends, segmenting, first part ID, or first sound ID)
#' \item \code{session}. Within-series session-number
#' \item \code{phase}. Label for each unique phase (A for baseline, B for treatment)
#' \item \code{score}. Value for the outcome.
#' \item \code{Include}. Value for inclusion in POGO calculation (0 if included in article, 1 if not included)
#' }
#'
#' @docType data
#' @keywords datasets
#' @format A data frame with 72 rows and 4 variables
#' @name Olszewski2017
#' @source Olszewski, A., Soto, X., & Goldstein, H. (2017). Modeling alphabet
#' skills as instructive feedback within a phonological awareness
#' intervention. American Journal of Speech-Language Pathology, 26(3),
#' 769-790. doi:10.1044/2017_AJSLP-16-0042
NULL
#' @title English, et al. (1997)
#'
#' @description Data from a multiple baseline design across participants
#' conducted by English, et al. (1997), which evaluated the effects of
#' peer-training on interaction skills. This dependent variable, number of
#' communicative acts directed by the participant to their peers, was measured
#' using frequency counting for a 10-minute observation session. The variables
#' are as follows:
#'
#' \itemize{
#' \item \code{case}. Participant pseudonym given by author
#' \item \code{session}. Within-series session-number
#' \item \code{phase}. Label for each unique phase (A for baseline, B for treatment)
#' \item \code{score}. Value for the outcome.
#' }
#'
#' @docType data
#' @keywords datasets
#' @format A data frame with 59 rows and 4 variables
#' @name English1997
#' @source English, K., Goldstein, H., Shafer, K., & Kaczmarek, L. (1997).
#' Promoting interactions among preschoolers with and without disabilities:
#' Effects of a buddy skills-training program. Exceptional Children, 63(2),
#' 229-243.
NULL
#' @title Facon, et al. (2008)
#'
#' @description Data from a changing criterion design conducted by Facon, et al.
#' (2008), which evaluated two operant learning procedures, shaping and
#' fading, for treating selective mutism. The dependent variable, average
#' speech loudness in dB, was measured during 15-minute observation sessions.
#' The variables are as follows:
#'
#' \itemize{
#' \item \code{session}. Within-series session-number
#' \item \code{phase}. Label for each unique phase (A for baseline, each following for a change in criteria.
#' \item \code{score}. Value for the outcome.
#' \item \code{criterion}. The fixed criterion value for each of the phases. The student moved to the next criterion when 80% of their utterances are equal or greater than the current criterion during at least 3 consecutive sessions. The first criterion was set at 43 dB with each following criterion equal to the mean score for the five best trials in the previous phase.
#' }
#'
#' @docType data
#' @keywords datasets
#' @format A data frame with 49 rows and 4 variables
#' @name Facon2008
#' @source Facon, B., Sahiri, S., & Riviere, V. (2008). A controlled single-case
#' treatment of severe long-term selective mutism in a child with mental
#' retardation. Behavior Therapy, 39, 313-321
NULL
#' @title Spencer et al. (2012)
#'
#' @description Data from a repeated acquisition single-case experimental design
#' evaluating vocabulary knowledge using an expressive definition task.
#' The variables are as follows:
#'
#' \itemize{
#' \item \code{Observation}. Participant number.
#' \item \code{Book}. Book used for evaluation.
#' \item \code{Pre}. Pre-intervention score on the expressive definition task.
#' \item \code{Post}. Post-intervention score on the expressive definition task.
#' }
#'
#' @docType data
#' @keywords datasets
#' @format A data frame with 81 rows and 4 variables
#' @name Spencer2012
#' @source Spencer, E., Goldstein, H., Sherman, A., Noe, S., Tabbah, R., Ziolkowski, R., & Schneider, N. (2012).
#' Effects of an automated vocabulary and comprehension intervention: An early efficacy study. Journal of Early Intervention,
#' 34, 195-221. doi:10.1177/1053815112471990
NULL
#' @title Kelley et al. (2015)
#'
#' @description Data from a randomized control trial with embedded repeated
#' acquisition single- case experimental design evaluating vocabulary
#' knowledge using an expressive definition task. The variables are as
#' follows:
#'
#' \itemize{
#' \item \code{condition}. Indicates whether control or treatment group.
#' \item \code{observation}. Identifier for participant
#' \item \code{unit}. Classroom unit.
#' \item \code{Pre}. Pre-intervention score on the expressive definition task.
#' \item \code{Post}. Post-intervention score on the expressive definition task.
#' }
#'
#' @docType data
#' @keywords datasets
#' @format A data frame with 54 rows and 5 variables
#' @name Kelley2015
#' @source Kelley, E. S., Goldstein, H., Spencer, T., & Sherman, A. (2015).
#' Effects of automated Tier 2 storybook intervention on vocabulary and
#' comprehension learning in preschool children with limited oral language
#' skills. Early Childhood Research Quarterly, 31, 47-61.
#' doi:10.1016/j.ecresq.2014.12.004
NULL
#' @title Peters-Sanders et al. (2020)
#'
#' @description Data from a Repeated acquisition single-case experimental design
#' evaluating vocabulary knowledge using an expressive definition task. The
#' variables are as follows:
#'
#' \itemize{
#' \item \code{observation}. Identifier for participant
#' \item \code{Book}.Book used for evaluation.
#' \item \code{Pre}. Pre-intervention score on the expressive definition task.
#' \item \code{Post}. Post-intervention score on the expressive definition task.
#' }
#'
#' @docType data
#' @keywords datasets
#' @format A data frame with 153 rows and 4 variables
#' @name Peters2020
#' @source Peters-Sanders, L., Kelley, E., Haring, C., Madsen, K., Soto, X.,
#' Seven, Y., Hull, K., & Goldstein, H. (2020). Moving forward four words at a
#' time: Effects of a supplemental preschool vocabulary. Language, Speech, and
#' Hearing Services in Schools, 51, 165-175. doi:10.1044/2019_LSHSS-19-00029
NULL
#' @title Dennis & Whalon, (2021)
#'
#' @description Data from a Repeated acquisition single-case experimental design
#' evaluating vocabulary knowledge using an expressive definition task. The
#' variables are as follows:
#'
#' \itemize{
#' \item \code{Participant}. Participant identifier.
#' \item \code{Condition}. Indicates condition, application (App) or teacher (TCH).
#' \item \code{Observation}. Within-series session-number
#' \item \code{Pre}. Pre-intervention score on the expressive definition task.
#' \item \code{Post}. Post-intervention score on the expressive definition task.
#' }
#'
#' @docType data
#' @keywords datasets
#' @format A data frame with 90 rows and 5 variables
#' @name Dennis2021
#' @source Dennis, L. R., & Whalon, K. J. (2021). Effects of teacher-versus
#' application-delivered instruction on the expressive vocabulary of at-risk
#' preschool children. Remedial and Special Education, 42(4), 195-206.
#' doi:10.1177/0741932519900991
NULL
#' @title Byiers et al., (2014)
#'
#' @description Data from an ABAB design that evaluated the effectiveness of
#' functional assessment and functional communication training on the Rett
#' syndrome (RTT) of three individuals with RTT novel communicative behaviors.
#' The dependent variable, communicative behavior, was measured using
#' frequency counting for a five minute observation session. A single outcome
#' (percent of switch activated responses) was calculated with appropriate
#' responses per minute divided by inappropriate responses per minute,
#' multiplied by 100. The variables are as follows:
#'
#' \itemize{
#' \item \code{StudyID}. Study identifier.
#' \item \code{StudyID_CaseID}. Participant identifier.
#' \item \code{Session_number}. Within-series session-number.
#' \item \code{Condition}. Indicates condition, (A for baseline, B for treatment).
#' \item \code{Outcome}. Value for the percent of switch activated responses.
#' \item \code{Session_length}. Length of the session.
#' \item \code{Procedure}. Scale of the outcome variable.
#' \item \code{Goal_level}. Indicates the goal level for each series.
#' \item \code{phase_pair_calculated}. Indicates the unique phase number of each
#' sequential occurrence of a phase for each participant of ABAB design.
#' }
#'
#' @docType data
#' @keywords datasets
#' @format A data frame with 54 rows and 9 variables
#' @name Byiers2014
#' @source Byiers, B. J., Dimian, A., & Symons, F. J. (2014). Functional
#' communication training in Rett syndrome: A preliminary study. \emph{American
#' Journal on Intellectual and Developmental Disabilities, 119}(4), 340-350.
#' doi:10.1352/1944-7558-119.4.340
NULL
#' @title Casey (1978)
#'
#' @description Data from a multiple baseline design across participant that
#' evaluated the effectiveness of use of manual signs with verbalizations in
#' improving appropriate communicative behavior and reducing inappropriate
#' behavior. The study aimed to increase positive communicative behavior to 1
#' and reduce the proportion of intervals engaged in problem behavior to 0.
#' These two outcomes were combined to create the dependent variable:
#' proportion of communicative opportunities with a signed request. The
#' variables are as follows:
#'
#' \itemize{
#' \item \code{StudyID}. Study identifier.
#' \item \code{StudyID_CaseID}. Participant identifier.
#' \item \code{Session_number}. Within-series session-number.
#' \item \code{Condition}. Indicates condition, (A for baseline, B for treatment).
#' \item \code{Outcome}. Value for the outcome variable.
#' \item \code{Session_length}. Length of the session.
#' \item \code{Procedure}. Scale of the outcome variable.
#' \item \code{Goal_level}. Indicates the goal level for each series.
#' }
#'
#' @docType data
#' @keywords datasets
#' @format A data frame with 100 rows and 8 variables
#' @name Casey1978
#' @source Casey, L. O. (1978). Development of communicative behavior in
#' autistic children: A parent program using manual signs. \emph{Journal of Autism
#' and Childhood Schizophrenia, 8}(1), 45-59. https://doi.org/10.1007/BF01550277
NULL
#' @title Strasberger & Ferreri (2014)
#'
#' @description Data from a multiple baseline design across participant that
#' evaluated the effectiveness of an iPod-based speech generating device and a
#' peer mediated intervention on improving sophisticated communication skills
#' of children with autism. The variables are as follows:
#'
#' \itemize{
#' \item \code{StudyID}. Study identifier.
#' \item \code{StudyID_CaseID}. Participant identifier.
#' \item \code{Session_number}. Within-series session-number.
#' \item \code{Condition}. Indicates condition, (A for baseline, B for intervention).
#' \item \code{Outcome}. The number of independent 2-step mands.
#' \item \code{Session_length}. Length of the session.
#' \item \code{Procedure}. Scale of the outcome variable.
#' \item \code{Goal_level}. Indicates the goal level for each series.
#' }
#'
#' @docType data
#' @keywords datasets
#' @format A data frame with 47 rows and 8 variables
#' @name Strasberger2014
#' @source Strasberger, S. K., & Ferreri, S. J. (2014). The effects of peer
#' assisted communication application training on the communicative and social
#' behaviors of children with autism. \emph{Journal of Developmental and Physical
#' Disabilities, 26}, 513-526. https://doi.org/10.1007/s10882-013-9358-9
NULL
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