Communicative Adaptability Scale

Aamir Ranjha

Communicative Adaptability Scale

Communicative Adaptability Scale

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About Communicative Adaptability Scale

Scale Name

Communicative Adaptability Scale

Author Details

Robert L. Duran

Translation Availability

Not Sure

Communicative Adaptability Scale
Communicative Adaptability Scale


Effective communication is a cornerstone of personal and professional success. It is the ability to convey information, exchange ideas, and build relationships in a way that is clear, concise, and appropriate for the situation. Communicative adaptability, a key component of effective communication, refers to the ability to adjust one’s communication style to different social situations.

In 1983, Robert L. Duran developed the Communicative Adaptability Scale (CAS) to assess an individual’s level of communicative adaptability. The CAS is a self-report measure that evaluates an individual’s ability to adapt their communication style across six dimensions.

The Communicative Adaptability Scale measures six dimensions of communicative adaptability:

Social Experience: This dimension assesses an individual’s comfort level and enjoyment of social interaction. It reflects their preference for social settings, their ability to initiate and maintain conversations, and their overall social engagement.

Social Confirmation: This dimension evaluates an individual’s ability to make others feel comfortable and accepted. It measures their sensitivity to the needs and feelings of others, their ability to provide positive reinforcement, and their overall social sensitivity.

Social Composure: This dimension assesses an individual’s ability to remain calm and relaxed in social situations. It reflects their ability to manage anxiety and nervousness, their adaptability to different social settings, and their overall social poise.

Articulation: This dimension measures an individual’s ability to express themselves clearly and effectively. It evaluates their verbal fluency, their use of language, their ability to tailor their message to the audience, and their overall communication clarity.

Wit: This dimension assesses an individual’s ability to use humor to create a positive and engaging atmosphere. It measures their timing, their ability to read the social context, and their use of humor to enhance communication and build rapport.

Appropriate Disclosure: This dimension evaluates an individual’s ability to share personal information in a way that is appropriate for the situation. It assesses their awareness of social norms, their ability to judge the level of intimacy appropriate for the situation, and their overall discretion in sharing personal information.

Administration, Scoring and Interpretation

  • Provide a brief introduction to the CAS, explaining its purpose and assuring confidentiality of responses.
  • Distribute the CAS instrument to each participant.
  • Clearly explain the instructions for completing the CAS. Emphasize that participants should rate each statement on a 5-point Likert scale, ranging from “Strongly Disagree” (1) to “Strongly Agree” (5).
  • Encourage participants to answer all questions to the best of their ability.
  • Allow sufficient time for participants to complete the CAS. Typically, it takes around 10-15 minutes to finish.
  • Collect the completed CAS instruments.

Reliability and Validity

The Communicative Adaptability Scale (CAS) has demonstrated strong reliability and validity in numerous studies across diverse populations.


Reliability refers to the consistency and stability of a measure. It indicates that the CAS consistently measures communicative adaptability across different administrations and contexts.

Internal Reliability: Cronbach’s alpha coefficients for the total CAS score and subscores consistently range from 0.7 to 0.9, indicating high internal consistency.

Test-Retest Reliability: Studies have shown that the CAS scores remain stable over time, with correlation coefficients between initial and follow-up administrations ranging from 0.7 to 0.8.


Validity refers to the extent to which a measure accurately assesses what it is intended to measure. The CAS has demonstrated validity in various ways:

Content Validity: The items on the CAS are relevant and represent the core aspects of communicative adaptability.

Criterion-Related Validity: The CAS scores correlate with other measures of communication skills, social competence, and interpersonal effectiveness.

Construct Validity: Studies have shown that the CAS differentiates between individuals with high and low levels of communicative adaptability.

Factorial Validity: Confirmatory factor analysis has supported the six-factor structure of the CAS, indicating that it measures distinct dimensions of communicative adaptability.

Available Versions



Duran, R. L. (1983). Communicative adaptability: A measure of social communicative competence. Communication Quarterly31(4), 320-326.

Important Link

Scale File:

Frequently Asked Questions

Q: What is the Communicative Adaptability Scale (CAS)?
A: The CAS is a 30-item self-report measure that assesses an individual’s ability to adjust their communication style to different social situations.

Q: What are the six dimensions of communicative adaptability measured by the CAS?
A: The six dimensions are: Social Experience, Social Confirmation, Social Composure, Articulation, Wit, Appropriate Disclosure

Q: How is the Communicative Adaptability Scale scored?
A: Each item is rated on a 5-point Likert scale, ranging from “strongly disagree” to “strongly agree.” The total score is calculated by summing the scores for all 30 items. Higher scores indicate higher levels of communicative adaptability.

Q: What are the applications of the Communicative Adaptability Scale?
A: The CAS has been used in a variety of research and clinical settings, including:

  • Identifying individuals with social difficulties
  • Tracking progress in social skills training
  • Selecting individuals for social roles
  • Predicting social outcomes

Q: Is the Communicative Adaptability Scale reliable and valid?
A: Yes, the CAS has demonstrated strong reliability and validity in numerous studies.


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I am a senior clinical psychologist with over 11years of experience in the field. I am the founder of Psychology Roots, a platform that provides solutions and support to learners and professionals in psychology. My goal is to help people understand and improve their mental health, and to empower them to live happier and healthier lives.

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