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https://www.readbyqxmd.com/read/29214136/training-parents-in-saudi-arabia-to-implement-discrete-trial-teaching-with-their-children-with-autism-spectrum-disorder
#1
Ahmad M Eid, Sarah M Aljaser, Anoud N AlSaud, Sultana M Asfahani, Ohoud A Alhaqbani, Rafat S Mohtasib, Hesham M Aldhalaan, Mitch Fryling
The present study evaluates the effects of a behavioral skill training package on parent implementation of discrete trial teaching with their children with autism spectrum disorder. Three mothers of children with autism participated in the study. The training package improved implementation for all three of the mothers. Moreover, these improvements generalized to skills that were not taught during training, maintained during follow-up probes, and resulted in improvements in child behavior.
December 2017: Behavior Analysis in Practice
https://www.readbyqxmd.com/read/29214131/the-use-of-behavioral-skills-training-to-teach-graph-analysis-to-community-based-teachers
#2
Lindsay Maffei-Almodovar, Gina Feliciano, Daniel M Fienup, Peter Sturmey
In this study, the experimenter trained three teachers to implement data decision rules to detect when instructional changes should be made during the visual analysis of discrete-trial percentage graphs. The experimenter used a concurrent, multiple-baseline design across participants. The experimenter trained the teachers to follow decision-making rules using instruction, modeling, rehearsal, and feedback. Following intervention, participants increased the percentage of correct data-based decisions and decreased the percentage of errors...
December 2017: Behavior Analysis in Practice
https://www.readbyqxmd.com/read/29181815/effects-of-adolescent-alcohol-exposure-on-stress-induced-reward-deficits-brain-crf-monoamines-and-glutamate-in-adult-rats
#3
Nathalie Boutros, Andre Der-Avakian, James P Kesby, Soon Lee, Athina Markou, Svetlana Semenova
BACKGROUND: Adolescent alcohol exposure may increase depression vulnerability in adulthood by increasing the anhedonic response to stress. METHODS: Male Wistar rats (postnatal days 28-53) were exposed to binge-like adolescent intermittent ethanol (AIE) or water. In adulthood, rats were exposed to social defeat, consisting of daily confrontations with an aggressive conspecific, followed by testing of brain reward function in a discrete-trial current-intensity intracranial self-stimulation procedure for 10 consecutive days...
November 27, 2017: Psychopharmacology
https://www.readbyqxmd.com/read/29172681/further-analysis-of-the-predictive-effects-of-a-free-operant-competing-stimulus-assessment-on-stereotypy
#4
Kristen M Brogan, John T Rapp, Lisa A Sennott, Jennifer L Cook, Erin Swinkels
We conducted five experiments to evaluate the predictive validity of a free-operant competing stimulus assessment (FOCSA). In Experiment 1, we showed that each participant's repetitive behavior persisted without social consequences. In Experiment 2, we used the FOCSA to identify high-preference, low-stereotypy (HP-LS) items for 11 participants and high-preference, high-stereotypy (HP-HS) items for nine participants. To validate the results of the FOCSAs (Experiment 3), we used a three-component multiple schedule to evaluate the immediate and subsequent effects of an HP-LS stimulus, an HP-HS stimulus, or both (in separate test sequences) on each participant's stereotypy...
November 1, 2017: Behavior Modification
https://www.readbyqxmd.com/read/29131524/multi-scale-contingencies-during-individual-and-joint-action
#5
J Scott Jordan, Daniel S Schloesser, Jiuyang Bai, Drew Abney
The present paper describes a joint action paradigm in which individuals or pairs utilized two computer keys to keep a dot stimulus moving inside a larger rectangle. Members of a pair could neither see nor hear each other. This paradigm allowed us to combine the discrete-trial type dependent variables (e.g., reaction time) commonly utilized by representational theorists, with the continuous, temporal dependence variables (e.g., RQA) utilized by dynamical theorists. Analysis revealed that individuals kept the dot in the rectangle longer than dyads and did so by moving it back and forth within the rectangle...
November 13, 2017: Topics in Cognitive Science
https://www.readbyqxmd.com/read/29101661/stuck-at-the-starting-line-how-the-starting-procedure-influences-mouse-tracking-data
#6
Stefan Scherbaum, Pascal J Kieslich
Mouse-tracking is an increasingly popular method to trace cognitive processes. As is common for a novel method, the exact methodological procedures employed in an individual study are still relatively idiosyncratic and the effects of different methodological setups on mouse-tracking measures have not been explored so far. Here, we study the impact of one commonly occurring methodological variation, namely whether participants have to initiate their mouse movements to trigger stimulus presentation (dynamic starting condition) or whether the stimulus is presented automatically after a fixed delay and participants can freely decide when to initiate their movements (static starting condition)...
November 3, 2017: Behavior Research Methods
https://www.readbyqxmd.com/read/29083218/attending-to-relations-proportional-reasoning-in-3-to-6-year-old-children
#7
Michelle A Hurst, Sara Cordes
When proportional information is pit against whole number numerical information, children often attend to the whole number information at the expense of proportional information (e.g., indicating 4/9 is greater than 3/5 because 4 > 3). In the current study, we presented younger (3- to 4-year-olds) and older (5- to 6-year-olds) children a task in which the proportional information was presented either continuously (units cannot be counted) or discretely (countable units; numerical information available). In the discrete conditions, older children showed numerical interference-responding based on the number of pieces instead of the proportion of pieces...
October 30, 2017: Developmental Psychology
https://www.readbyqxmd.com/read/29021945/an-evaluation-of-instructive-feedback-to-teach-play-behavior-to-a-child-with-autism-spectrum-disorder
#8
Laura L Grow, Tiffany Kodak, Andrea Clements
Instructive feedback is used to expose learners to secondary targets during skill acquisition programs (Reichow & Wolery, in Journal of Applied Behavior Analysis, 44, 327-340, 2011; Werts, Wolery, Gast, & Holcombe, in Journal of Behavioral Education, 5, 55-75, 1995). Although unrelated feedback may have clinical utility in practice, very little research has evaluated unrelated instructive feedback, particularly for promoting play behavior (Colozzi, Ward, & Crotty, in Education and Training in Developmental Disabilities, 43, 226-248, 2008)...
September 2017: Behavior Analysis in Practice
https://www.readbyqxmd.com/read/29021746/lever-insertion-as-a-salient-stimulus-promoting-insensitivity-to-outcome-devaluation
#9
Youna Vandaele, Heather J Pribut, Patricia H Janak
Flexible and efficient decision-making in complex environments can be achieved through constant interactions between the goal-directed and habitual systems. While goal-directed behavior is considered dependent upon Response-Outcome (R-O) associations, habits instead rely on Stimulus-Response (S-R) associations. However, the stimuli that support the S-R association underlying habitual responding in typical instrumental procedures are poorly defined. To resolve this issue, we designed a discrete-trials procedure, in which rats must wait for lever insertion and complete a sequence of five lever presses to obtain a reward (20% sucrose or grain-based pellets)...
2017: Frontiers in Integrative Neuroscience
https://www.readbyqxmd.com/read/28969454/teaching-multi-step-requesting-to-children-with-autism-spectrum-disorder-using-systematic-instruction-and-a-speech-generating-device
#10
Derya Genc-Tosun, Onur Kurt
The purpose of this study was to examine the effectiveness of an iPad-based speech-generating device (SGD) and an intervention package in teaching multi-step requesting to children with autism spectrum disorder (ASD). The intervention package comprised discrete trial teaching, time delay, graduated guidance, and reinforcement. Social validity data were also collected from parents and teachers. Three male participants with ASD, aged 4-5 years, participated in the study, which was conducted using a multiple-probe-across-participants design...
December 2017: Augmentative and Alternative Communication: AAC
https://www.readbyqxmd.com/read/28752549/choice-predicts-the-feedback-negativity
#11
Stuart McGill, Jude Buckley, Douglas Elliffe, Paul M Corballis
Choosing the appropriate response given the circumstance is integral to all aspects of human behavior. One way of elucidating the mechanisms of choice is to relate behavior to neural correlates. Electrophysiological evidence implicates the ERP feedback-negativity (FN) and the P300 as promising neural correlates of reward processing, an integral component of learning. However, prior research has not adequately addressed how the development of a preference to select one option over another (choice preference) relates to the FN and the P300...
July 28, 2017: Psychophysiology
https://www.readbyqxmd.com/read/28653447/dividing-attention-between-tasks-testing-whether-explicit-payoff-functions-elicit-optimal-dual-task-performance
#12
George D Farmer, Christian P Janssen, Anh T Nguyen, Duncan P Brumby
We test people's ability to optimize performance across two concurrent tasks. Participants performed a number entry task while controlling a randomly moving cursor with a joystick. Participants received explicit feedback on their performance on these tasks in the form of a single combined score. This payoff function was varied between conditions to change the value of one task relative to the other. We found that participants adapted their strategy for interleaving the two tasks, by varying how long they spent on one task before switching to the other, in order to achieve the near maximum payoff available in each condition...
June 27, 2017: Cognitive Science
https://www.readbyqxmd.com/read/28530503/a-comparison-of-self-selected-walking-speeds-and-walking-speed-variability-when-data-are-collected-during-repeated-discrete-trials-and-during-continuous-walking
#13
Marcus J Brown, Laura A Hutchinson, Michael J Rainbow, Kevin J Deluzio, Alan R De Asha
A typical gait analysis data collection consists of a series of discrete trials, where a participant initiates gait, walks through a motion capture volume, and then terminates gait. This is not a normal 'everyday' gait pattern, yet measurements are considered representative of normal walking. However, walking speed, a global descriptor of gait quality that can affect joint kinematics and kinetics, may be different during discrete trials, compared to continuous walking. Therefore, the purpose of this study was to investigate the effect of continuous walking versus discrete trials on walking speed and walking speed variability...
October 1, 2017: Journal of Applied Biomechanics
https://www.readbyqxmd.com/read/28464438/social-skills-training-for-children-with-autism-spectrum-disorder-using-a-robotic-behavioral-intervention-system
#14
Sang-Seok Yun, JongSuk Choi, Sung-Kee Park, Gui-Young Bong, HeeJeong Yoo
We designed a robot system that assisted in behavioral intervention programs of children with autism spectrum disorder (ASD). The eight-session intervention program was based on the discrete trial teaching protocol and focused on two basic social skills: eye contact and facial emotion recognition. The robotic interactions occurred in four modules: training element query, recognition of human activity, coping-mode selection, and follow-up action. Children with ASD who were between 4 and 7 years old and who had verbal IQ ≥ 60 were recruited and randomly assigned to the treatment group (TG, n = 8, 5...
May 2, 2017: Autism Research: Official Journal of the International Society for Autism Research
https://www.readbyqxmd.com/read/28377299/some-properties-of-an-adjusting-magnitude-schedule-of-reinforcement-implications-for-models-of-choice
#15
C M Bradshaw
Rats were trained under a discrete-trials adjusting-magnitude schedule in which a response on lever A delivered either a larger or a smaller reinforcer (qA1 and qA2) with equal probability, while a response on B delivered a reinforcer whose size qB was adjusted according to the rats' choices. When A was preferred in a given block of trials, qB was increased in the following block; when B was preferred, qB was reduced in the following block. The oscillating changes in qB, analysed by the Fourier transform, could be described by a power spectrum with a dominant period of about 50 trial blocks...
April 2, 2017: Behavioural Processes
https://www.readbyqxmd.com/read/28293754/impact-of-a-teacher-as-coach-model-improving-paraprofessionals-fidelity-of-implementation-of-discrete-trial-training-for-students-with-moderate-to-severe-developmental-disabilities
#16
Rose A Mason, Alana G Schnitz, Howard P Wills, Raia Rosenbloom, Debra M Kamps, Darcey Bast
Ensuring educational progress for students with moderate-to-severe developmental disabilities requires exposure to well executed evidence-based practices. This necessitates that the special education workforce, including paraprofessionals, be well-trained. Yet evidence regarding effective training mechanisms for paraprofessionals is limited. A multiple baseline design across five teachers was used to evaluate the impact of online instructional modules and a Practice-Based Coaching (PBC) model with teacher-as-coach on their paraprofessionals' fidelity of discrete trial training (DTT)...
June 2017: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/28211940/instructive-feedback-embedded-within-group-instruction-for-children-diagnosed-with-autism-spectrum-disorder
#17
Justin B Leaf, Joseph H Cihon, Aditt Alcalay, Erin Mitchell, Donna Townley-Cochran, Kevin Miller, Ronald Leaf, Mitchell Taubman, John McEachin
The present study evaluated the effects of instructive feedback embedded within a group discrete trial teaching to teach tact relations to nine children diagnosed with autism spectrum disorder using a nonconcurrent multiple-baseline design. Dependent variables included correct responses for: primary targets (directly taught), secondary targets (taught via instructive feedback), primary observational targets (directly taught to other members of the group), and secondary observational targets (taught via instructive feedback provided to other members of the group)...
April 2017: Journal of Applied Behavior Analysis
https://www.readbyqxmd.com/read/27929320/peer-facilitated-discrete-trial-training-for-children-with-autism-spectrum-disorder
#18
K Richard Young, Keith C Radley, William R Jenson, Richard P West, Susan K Clare
In 2 studies, we evaluated the feasibility and efficacy of peer-mediated, school-based discrete trial training (DTT) for students with autism spectrum disorder (ASD). In the first, 6 typically developing elementary-age students were trained to use DTT procedures to teach target academic skills to 3 students with ASD who had been educated in a self-contained setting. A multiple probe-across-tutors design was applied to evaluate the accuracy with which the tutors implemented the DTT protocol. Results of the study indicated that training was effective in increasing the integrity of implementation of the DTT protocol...
December 2016: School Psychology Quarterly
https://www.readbyqxmd.com/read/27853619/multi-alternative-decision-making-with-non-stationary-inputs
#19
Luana F Nunes, Kevin Gurney
One of the most widely implemented models for multi-alternative decision-making is the multihypothesis sequential probability ratio test (MSPRT). It is asymptotically optimal, straightforward to implement, and has found application in modelling biological decision-making. However, the MSPRT is limited in application to discrete ('trial-based'), non-time-varying scenarios. By contrast, real world situations will be continuous and entail stimulus non-stationarity. In these circumstances, decision-making mechanisms (like the MSPRT) which work by accumulating evidence, must be able to discard outdated evidence which becomes progressively irrelevant...
August 2016: Royal Society Open Science
https://www.readbyqxmd.com/read/27622126/chaining-functional-basketball-sequences-with-embedded-conditional-discriminations-in-an-adolescent-with-autism
#20
Joseph M Lambert, Bailey A Copeland, Erica L Karp, Crystal I Finley, Nealetta J Houchins-Juarez, Jennifer R Ledford
Individuals with developmental disabilities successfully participate in fewer recreation activities, including sports activities, than their typically developing peers. Although a functional basketball-playing repertoire might increase social opportunities and physical health for these individuals, no research has outlined a behavior-analytic strategy for teaching this sport. In our study, we taught a 13-year-old male diagnosed with autism to play basketball. During phase 1, we employed discrete-trial training to establish proficiency with nine fundamental basketball skills (i...
September 2016: Behavior Analysis in Practice
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