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Papers by ethan long

Research paper thumbnail of Response-class hierarchies and resurgence of severe problem behavior

The Psychological Record, 2004

Research paper thumbnail of A Comparison of Dense-To-Lean and Fixed Lean Schedules of Alternative Reinforcement and Extinction

Journal of Applied Behavior Analysis, 2004

Research paper thumbnail of Nanostructuring and Ge redistribution in thin films of Silicon-Germanium by thermal oxidation

Despite the fact that germanium played a significant role in the advent of modern electronics, si... more Despite the fact that germanium played a significant role in the advent of modern electronics, silicon-germanium alloys have not been used or studied nearly as extensively as silicon. However, a recent resurgence in industrial and research interest in silicon-germanium ensures that it will have an increasingly important role in nano- and opto-electronics. It is unavoidable that a sound understanding of the oxidation of silicon-germanium will be required as processes are developed for using the material in electronic applications. In fact, a profound appreciation for the oxidation kinetics of silicon-germanium could itself create new applications for the material. The present work investigates the use of thermal oxidation in nanostructuring of epitaxially grown silicon-germanium by examining the kinetics of oxidation and the redistribution of germanium at the oxidation interface. This is done for oxidations in dry O2 ambients with a particular focus on the influence of temperature an...

Research paper thumbnail of Current issues regarding school-based functional assessment

The Behavior Analyst Today, 2000

Research paper thumbnail of Ge concentrations in pile-up layers of sub-100-nm SiGe films for nano-structuring by thermal oxidation

Journal of Vacuum Science & Technology B: Microelectronics and Nanometer Structures, 2012

ABSTRACT Export Date: 8 February 2013, Source: Scopus, Art. No.: 041212

Research paper thumbnail of Preliminary Effects of Conditioned Establishing Operations on Stereotypy

The Psychological Record, 2014

Research paper thumbnail of Competing stimuli in the treatment of multiply controlled problem behavior during hygiene routines

Research in Developmental Disabilities, 2005

Research paper thumbnail of A comparative analysis of oxidation rates for thin films of SiGe versus Si

physica status solidi (a), 2012

Research paper thumbnail of Ge redistribution in SiO2/SiGe structures under thermal oxidation: Dynamics and predictions

Journal of Applied Physics, 2012

Research paper thumbnail of Nano-structuring in SiGe by oxidation induced anisotropic Ge self-organization

Journal of Applied Physics, 2013

Research paper thumbnail of Use of a structured descriptive assessment methodology to identify variables affecting problem behavior

Journal of Applied Behavior Analysis, 2002

Research paper thumbnail of Increasing Wearing of Prescription Glasses in Individuals with Mental Retardation

Journal of Applied Behavior Analysis, 2008

Research paper thumbnail of Evaluating the predictive validity of a single stimulus engagement preference assessment

Journal of Applied Behavior Analysis, 2001

Research paper thumbnail of Schedule Thinning Following Communication Training: Using Competing Stimuli To Enhance Tolerance To Decrements In Reinforcer Density

Journal of Applied Behavior Analysis, 2005

Research paper thumbnail of Preference Assessment Procedures for Individuals with Developmental Disabilities

Behavior Modification, 2004

Significant advancements have been made in the development of procedures to systematically identi... more Significant advancements have been made in the development of procedures to systematically identify preferred stimuli that may function as reinforcers for persons with developmental disabilities. Indirect assessment procedures include care provider and client interviews, whereas direct assessment procedures involve systematically exposing participants to stimuli while recording their responses. These types of direct assessment procedures can be categorized as either approach-based or engagement-based. Approach-based procedures involve recording the individuals’ approach responses to stimuli presented singly or concurrently with other stimuli, whereas engagement-based procedures involve recording duration of engagement with stimuli. Although the predictive validity of indirect preference assessment procedures has yet to be established, using them in combination with direct measures of preferencemaybe most efficacious for identifying potential reinforcers. Recent research on preferenc...

Research paper thumbnail of Detection of temperature sensitive defects using ZTC

This work attempts to improve the common understanding of multiple temperature testing by present... more This work attempts to improve the common understanding of multiple temperature testing by presenting previously unpublished data as well as deriving a simple model for bounding an IC's performance within the three dimensional space defined by VDD, frequency, and ...

Research paper thumbnail of Evaluation of a Sexual Abuse Prevention Program for Female Chinese Adolescents With Mild Mental Retardation

American Journal on Mental Retardation, 1998

Programs to teach sexual abuse prevention skills to persons with mental retardation have rarely b... more Programs to teach sexual abuse prevention skills to persons with mental retardation have rarely been evaluated empirically, and typical evaluations are limited to assessment of the participants' knowledge rather than their performance of specific skills. In the present study, 6 adult women with mental retardation were trained in sexual abuse prevention, and performance was assessed using four separate measures: pretests and posttests of knowledge, verbal report, role play, and naturalistic probes. All women learned the skills but failed to exhibit them to criterion during the probes. We discuss the implications for further training and assessment of sexual abuse prevention skills.

Research paper thumbnail of Response-class hierarchies and resurgence of severe problem behavior

The Psychological Record, 2004

Research paper thumbnail of A Comparison of Dense-To-Lean and Fixed Lean Schedules of Alternative Reinforcement and Extinction

Journal of Applied Behavior Analysis, 2004

Research paper thumbnail of Nanostructuring and Ge redistribution in thin films of Silicon-Germanium by thermal oxidation

Despite the fact that germanium played a significant role in the advent of modern electronics, si... more Despite the fact that germanium played a significant role in the advent of modern electronics, silicon-germanium alloys have not been used or studied nearly as extensively as silicon. However, a recent resurgence in industrial and research interest in silicon-germanium ensures that it will have an increasingly important role in nano- and opto-electronics. It is unavoidable that a sound understanding of the oxidation of silicon-germanium will be required as processes are developed for using the material in electronic applications. In fact, a profound appreciation for the oxidation kinetics of silicon-germanium could itself create new applications for the material. The present work investigates the use of thermal oxidation in nanostructuring of epitaxially grown silicon-germanium by examining the kinetics of oxidation and the redistribution of germanium at the oxidation interface. This is done for oxidations in dry O2 ambients with a particular focus on the influence of temperature an...

Research paper thumbnail of Current issues regarding school-based functional assessment

The Behavior Analyst Today, 2000

Research paper thumbnail of Ge concentrations in pile-up layers of sub-100-nm SiGe films for nano-structuring by thermal oxidation

Journal of Vacuum Science & Technology B: Microelectronics and Nanometer Structures, 2012

ABSTRACT Export Date: 8 February 2013, Source: Scopus, Art. No.: 041212

Research paper thumbnail of Preliminary Effects of Conditioned Establishing Operations on Stereotypy

The Psychological Record, 2014

Research paper thumbnail of Competing stimuli in the treatment of multiply controlled problem behavior during hygiene routines

Research in Developmental Disabilities, 2005

Research paper thumbnail of A comparative analysis of oxidation rates for thin films of SiGe versus Si

physica status solidi (a), 2012

Research paper thumbnail of Ge redistribution in SiO2/SiGe structures under thermal oxidation: Dynamics and predictions

Journal of Applied Physics, 2012

Research paper thumbnail of Nano-structuring in SiGe by oxidation induced anisotropic Ge self-organization

Journal of Applied Physics, 2013

Research paper thumbnail of Use of a structured descriptive assessment methodology to identify variables affecting problem behavior

Journal of Applied Behavior Analysis, 2002

Research paper thumbnail of Increasing Wearing of Prescription Glasses in Individuals with Mental Retardation

Journal of Applied Behavior Analysis, 2008

Research paper thumbnail of Evaluating the predictive validity of a single stimulus engagement preference assessment

Journal of Applied Behavior Analysis, 2001

Research paper thumbnail of Schedule Thinning Following Communication Training: Using Competing Stimuli To Enhance Tolerance To Decrements In Reinforcer Density

Journal of Applied Behavior Analysis, 2005

Research paper thumbnail of Preference Assessment Procedures for Individuals with Developmental Disabilities

Behavior Modification, 2004

Significant advancements have been made in the development of procedures to systematically identi... more Significant advancements have been made in the development of procedures to systematically identify preferred stimuli that may function as reinforcers for persons with developmental disabilities. Indirect assessment procedures include care provider and client interviews, whereas direct assessment procedures involve systematically exposing participants to stimuli while recording their responses. These types of direct assessment procedures can be categorized as either approach-based or engagement-based. Approach-based procedures involve recording the individuals’ approach responses to stimuli presented singly or concurrently with other stimuli, whereas engagement-based procedures involve recording duration of engagement with stimuli. Although the predictive validity of indirect preference assessment procedures has yet to be established, using them in combination with direct measures of preferencemaybe most efficacious for identifying potential reinforcers. Recent research on preferenc...

Research paper thumbnail of Detection of temperature sensitive defects using ZTC

This work attempts to improve the common understanding of multiple temperature testing by present... more This work attempts to improve the common understanding of multiple temperature testing by presenting previously unpublished data as well as deriving a simple model for bounding an IC's performance within the three dimensional space defined by VDD, frequency, and ...

Research paper thumbnail of Evaluation of a Sexual Abuse Prevention Program for Female Chinese Adolescents With Mild Mental Retardation

American Journal on Mental Retardation, 1998

Programs to teach sexual abuse prevention skills to persons with mental retardation have rarely b... more Programs to teach sexual abuse prevention skills to persons with mental retardation have rarely been evaluated empirically, and typical evaluations are limited to assessment of the participants' knowledge rather than their performance of specific skills. In the present study, 6 adult women with mental retardation were trained in sexual abuse prevention, and performance was assessed using four separate measures: pretests and posttests of knowledge, verbal report, role play, and naturalistic probes. All women learned the skills but failed to exhibit them to criterion during the probes. We discuss the implications for further training and assessment of sexual abuse prevention skills.

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