Welcome to MIDSA

MIDSA, the Multidimensional Inventory of Development, Sex and Aggression, is a computerized self-report inventory that provides a clinical report to support therapeutic interventions with juveniles and adults who sexually offend.

Uses of the MIDSA

Assessing criminogenic needs within Andrews and Bonta’s RNR framework

The MIDSA assesses the criminogenic needs that research has established are risk factors for sexual and non-sexual recidivism. (To illustrate coverage, compare MIDSA coverage to that recommended by the Association for Treatment and Prevention of Sexual Abuse click here). Thus, they are  appropriate for clients who present with problems of sexual aggression as well as general criminogenic issues. 

Social and antisocial history

The MIDSA gives an exhaustive assessment of clients’ educational, social/romantic, and antisocial behavioral and criminal histories. The questions are specific, behavioral, and frequency-based to minimize bias.

Assessment-based treatment

The comprehensive report provides visualizations of scale results so that therapists can easily assess clients’ behaviors relative to community and offender comparison groups. In addition it provides extensive narratives that provide deep contexts for discussions with the clients.

Trauma-informed treatment

The MIDSA includes an extensive survey of the clients’ experiences with sexual, emotional, and physical abuse during childhood and adolescence. The questions ask about frequencies of events in detail rather than asking global questions about abuse. The report maps out who, when, and what kinds of abuse clients have experienced.

I find the MIDSA a very valuable tool

I find the MIDSA a very valuable tool to gather comprehensive data for a Psychosexual Assessment and Psychosexual Risk Assessments. It is incredibly thorough and consistent with the research whereby people are more likely to be honest when answering questions on a computer program than when interviewed face-to-face. The MIDSA provides me with a broad range of information about many aspects of the client’s sexual development and their current sexual desires and behavior.

Ed Connor, Psy.D.

Connor & Associates

We have found the MIDSA to be an excellent tool

We have found the MIDSA to be an excellent tool in assessing our population and identifying dynamic risk factors, facilitating the development of treatment plans for our clients. It is easy to use and very comprehensive. We like the immediate results and the added bonus of a built-in risk assessment. The team is always responsive to our needs. We look forward to continued partnership with them.

Harvey Poloni, MEd, LPC

Mountain Valley Counseling Associates, Inc.

I can recommend MIDSA to other professionals, unreservedly

Raymond and Judy Sims-Knight have distilled four decades of empirical research, much of it their own, into a state-of-the-science, computerized, self-report questionnaire, MIDSA. The instrument includes two comparison groups, one an adult male, non-offending sample, the other an incarcerated sexual offender group. It is one of five instruments that comprise my test battery, given to subjects who have been charged with or convicted of a sexual crime. The benefits are nearly too numerous to mention. Suffice to state that the information gleaned from the test helps to appraise the risk of a particular offender, as well as to identify targets for treatment intervention. Nearly every construct of significance in the field of sexual deviance is assayed by the test, and I am extremely grateful to them for their work. I can recommend MIDSA to other professionals, unreservedly.

James A. Reavis, Psy.D.

Director of Intrapsychic

The MIDSA is one of the best testing batteries one can use

The MIDSA is one of the best testing batteries one can use for assessment of adolescent and adult males who have committed sexual offenses.  Its scales have been meticulously developed, with numerous validation and cross-validation samples, using state of the art psychometric methods.  It covers most of the issues that one would want for determining treatment needs and making other management decisions.  While it suffers from the same limitations of any self-report battery, the validity scales and procedures built into the administration software provide unique insights into dishonest presentations.  I’ve used many of the MIDSA scales in my research and have administered these scales using the MIDSA administration software.  In addition to the quality of the MIDSA, I’ve found Dr. Knight to be a joy to work with.

Michael H. Miner, PhD, LP

Eli Coleman Institute for Sexual and Gender Health

It is by far the most comprehensive tool

I have been using the MIDSA for research and clinical purposes for several years. It is by far the most comprehensive tool, which provides a wealth of information that is essential in my efforts toward case conceptualization, the assessment of risk/need, and treatment planning.

Drew Kingston, Ph.D., ATSAF

HOPE Program

Advantages of MIDSA

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Cost-effective comprehensive assessment

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Covers most ATSA recommended domains

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Provides validated scales to target treatment

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Community and offender norms provided

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Computer administration can be by nonprofessionals

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Follow-up assessment for treatment progress

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Covers most ATSA recommended domains

MIDSA not only simplifies the assessment process but also offers the flexibility and convenience that professionals and organizations require.

The MIDSA Story

The Multidimensional Assessment of Sex and Aggression (MIDSA) is a clinical version of its research predecessor, the Multidimensional Assessment of Sex and Aggression (MASA). The MASA was a research tool developed by Raymond Knight and collaborators that identified critical variables that distinguished adults and juveniles who sexually offend from individuals who do not sexually offend. These reliable and valid scales became the basis of the clinical tool, the MIDSA, which in addition provides comprehensive narrative information about the clients’ development, their externalizing, sexual, and social histories, and their criminal modus operandi.