Addiction Counseling Self-Efficacy Scale (ACSES)

Abstract

The Addiction Counseling Self-Efficacy Scale (ACSES), developed by Murdock, Wendler, and Neilson in 2005, is a specialized psychometric instrument comprising 31 items designed to measure a counselor’s perceived competence across five critical domains of addiction counseling. The scale assesses self-efficacy—the belief in one’s ability to successfully execute specific tasks—related to core clinical functions such as assessment, treatment planning, group facilitation, and managing complex issues like co-occurring disorders. It is primarily used to evaluate the training needs and clinical preparedness of addiction professionals and students.

Keywords

addiction counseling, self-efficacy, substance use disorder, competency, clinical assessment, group therapy, co-occurring disorders, psychological assessment.

Authors

Murdock, T.B., Wendler, A.M., Neilson, J.E.

Purpose

The primary purpose of the ACSES is to provide a standardized, reliable, and validated measure of an individual’s perceived competence in executing the core functions of addiction counseling. By quantifying the level of self-reported confidence across a wide range of clinical scenarios, the scale offers insight into the readiness of counselors to handle the demanding and multifaceted nature of addiction treatment.

This instrument is valuable for both educational and supervisory settings, helping program administrators identify specific areas where trainees or practitioners require additional instruction, supervision, or professional development to enhance their clinical effectiveness when working with clients struggling with substance use disorders.

Construct

The ACSES measures Self-Efficacy, a core concept derived from Albert Bandura’s social cognitive theory. In this application, self-efficacy is operationalized as the strength of a counselor’s belief in their own capability to successfully perform specific addiction treatment tasks, such as establishing rapport, conducting complex assessments, managing group dynamics, and integrating treatment for comorbid psychiatric conditions.

Validity

Initial validation studies conducted by the authors (Murdock et al., 2005) demonstrated robust content and construct validity for the ACSES. The scale items were developed based on established competency models for addiction professionals, ensuring high relevance to clinical practice. The factorial structure consistently supported the division of skills into five distinct subscales, confirming that the scale measures the intended theoretical domains of counseling competence.

Reliability

The initial development and subsequent validation of the ACSES focused on establishing strong internal consistency across the 31 items, particularly within the five identified subscales. Studies, including the 2007 dissertation work by Wendler, indicated favorable psychometric properties, suggesting that the instrument provides stable and dependable measurement of counselor confidence across the key skill areas.

Factor Analysis

Factor analysis of the 31 items revealed a clear and interpretable five-factor structure, which organizes the specific addiction counseling skills into manageable domains. This structure allows practitioners and researchers to assess confidence levels in targeted areas rather than relying solely on a global score.

The five factors, along with the corresponding item numbers, are:

• Specific Addiction Counseling Skills: Items 1, 8, 13, 14, 17, 18, 19, and 25.
• Assessment, Treatment Planning, and Referral Skills: Items 10, 20, 21, 22, and 24.
• Co-occurring Disorders Skills: Items 5, 7, 9, 12, 16, and 28.
• Group Counseling Skills: Items 6, 11, 15, 26, 27, and 29.
• Basic Counseling Skills: Items 2, 3, 4, 23, 30, and 31.

Instrument

Test Type: Self-report psychometric scale assessing perceived self-efficacy.

Format: 31 items utilizing a 6-point Likert scale.

Language Available: English (Original development).

Population Group: Addiction counselors, substance abuse treatment professionals, and graduate-level trainees in counseling or related fields.

Age Group: Adult (typically 20+).

Population Details: Individuals whose professional role involves providing direct clinical services, including assessment, individual therapy, and group therapy, to clients with substance use disorders.

Test Methodology: Respondents rate their level of confidence in performing each listed skill using the following scale: 1 = no confidence to 6 = absolute confidence.

Keywords

counselor training, clinical supervision, substance abuse, dual diagnosis, treatment competence, mental health, assessment skills, psychometric properties.

Authors

Author ORCID Identifier: N/A (Not provided in source)

Affiliation Email addresses: N/A (Not provided in source)

Correspondence Address: N/A (Not provided in source)

Permissions & Fee and Test Year

The Addiction Counseling Self-Efficacy Scale (ACSES) was developed and initially validated in 2005. The instrument is publicly documented in academic publications and utilized in research and training settings. The instrument can be found referenced in: Simmons C. A., Lehmann P. (eds). Tools for strengths-based assessment and evaluation (2013).

Reference’s

• Murdock, T.B., Wendler, A.M., & Neilson, J.E. (2005). Addiction Counseling Self-Efficacy Scale (ACSES): development and initial validation. Journal of Substance Abuse Treatment, 29(1), 55–64.
• Wendler, A.M. (2007). Validation of the Addiction Counseling Self-Efficacy Scale (ACSES). Kansas City: University of Missouri, ProQuest Dissertations Publishing. 3280868.
• Wendler, A. M. (2008). Validation of the Addiction Counseling Self-Efficacy Scale (ACSES). Dissertation Abstracts International, 68(9-B), 6343.
• Murdock, T.B., Wendler, A.M., & Neilson, J.E. (2005). Addiction Counseling Self-Efficacy Scale. In: Simmons C. A., Lehmann P. (eds). Tools for strengths-based assessment and evaluation, New York, NY: Springer, pp. 292-294. (2013).

Items of the Addiction Counseling Self-Efficacy Scale (ACSES)

IMPORTANT: The following scale items must be preserved in their original language and must not be changed in any way.

1. Assess a client’s previous experience with self-help groups like AA‚ NA‚ CA‚ etc.
2. Show empathy toward a client.
3. cr‎eate a therapeutic environment where a client will feel that I understand them.
4. Convey an attitude of care and concern for all group members.
5. Work effectively with a client who has both a substance use and an anxiety disorder.
6. Develop trust and cohesion among members of a counseling group.
7. Screen clients for co-occurring mental health disorders.
8. Help a client determine who is available to support her/his recovery.
9. Work effectively with a client who has both a substance use and a psychotic disorder (e.g.‚ schizophrenia).
10. Use assessment data to develop a treatment plan.
11. Help members of a counseling group challenge each other responsibly.
12. Work effectively with a client who has both a substance use and a personality disorder.
13. Assess a client’s readiness to change substance use.
14. Help a client develop realistic expectations about recovery.
15. React spontaneously and responsively in a group counseling situation.
16. Work effectively with a client who has both substance use and trauma-related issues.
17. Teach a client about self-help support networks and related self-help literature.
18. Help a client figure out what behaviors will support recovery.
19. Help a client recognize what triggers her/his substance use.
20. Write accurate and concise assessment reports.
21. Assess a client’s financial concerns.
22. Summarize a client’s treatment and recovery information for other professionals.
23. Establish a warm‚ respectful relationship with a client.
24. Gather information about a client’s prior experiences with substance abuse treatment.
25. Challenge behaviors that interfere with a client’s recovery.
26. Form a counseling group‚ including determining the type of group and se‎lecting members.
27. Help members of a counseling group support each other.
28. Work effectively with a client who has both a substance use and a mood disorder (e.g.‚ depression).
29. Explore the interpersonal dynamics among members of a counseling group.
30. Use active listening techniques when working with a client.
31. Maintain a respectful and nonjudgmental atmosphere with a client.