Marlowe-Crowne Social Desirability Scale [MCSD-33]

Description and Purpose

The Marlowe-Crowne Social Desirability Scale (MCSD-33) is a psychometric instrument developed in 1960 by Douglas P. Crowne and David Marlowe. It was designed to measure individuals’ tendency to present themselves in a socially acceptable and desirable manner, potentially minimizing or concealing attitudes and behaviors that may be perceived as socially undesirable.

The primary purpose of the MCSD is to assess social desirability, particularly the tendency to respond to questions in ways that create a more favorable impression in the eyes of others. The scale is frequently used in research to examine potential response bias in self-report measures.

Theoretical Background

Social desirability is particularly relevant in studies relying on self-report questionnaires, as participants may consciously or unconsciously modify their responses according to perceived social expectations.

The MCSD was developed as a measure of socially desirable responding independent of psychopathology. It provides researchers with a structured approach to identifying response patterns characterized by favorable self-presentation.

Such response tendencies may represent an important source of response bias, particularly when research questions concern personal attitudes, behaviors, or characteristics that are subject to strong social expectations.

Structure of the Scale

The original MCSD consists of 33 statements designed to assess socially desirable responding.

Participants respond to each statement using a True/False response format. The items are structured to identify the tendency to present oneself in a socially acceptable manner while potentially minimizing attitudes or behaviors that could be regarded as socially undesirable.

According to the source document, the statements address areas such as:

  • acceptance or rejection of social rules and norms;
  • willingness to help other people;
  • avoidance or reporting of negative emotions and behaviors.

Scoring

The MCSD is scored by assigning a value to each of the 33 responses.

A response corresponding to the socially desirable direction receives a score of 1, while a socially undesirable response receives a score of 0.

The individual item scores are summed to produce a total score ranging from 0 to 33.

Higher scores indicate a greater tendency toward socially desirable responding, whereas lower scores indicate a comparatively lower tendency to provide socially desirable responses.

Data Analysis and Use

In research settings, the total MCSD score can be used as an indicator of participants’ tendency toward socially desirable responding.

Descriptive statistics such as the mean, standard deviation, median, and score range may be used to summarize the distribution of MCSD scores within a sample.

The scale can also be examined alongside other self-report measures to determine whether social desirability may be associated with participants’ responses to the main variables under investigation.

Depending on the research design, correlations or comparisons between participant groups may also be conducted. Any use of the MCSD score as a statistical control variable should be theoretically and methodologically justified within the specific study.

Reliability and Validity

The MCSD has been examined in the literature in relation to its reliability and the broader conceptualization of socially desirable responding.

The references provided in the source document include the work of Paulhus (1984) on two-component models of socially desirable responding and the reliability generalization study conducted by Beretvas, Meyers, and Leite (2002).

The uploaded document does not report a specific reliability coefficient for the MCSD-33. Therefore, no particular Cronbach’s alpha or other numerical reliability estimate can be attributed to the scale solely on the basis of the provided material.

Applications

The MCSD-33 can be used in research involving self-report measures, particularly when investigators wish to examine the potential influence of socially desirable responding on participants’ answers.

According to the source document, the scale is commonly used in research studies to help identify and address potential bias in self-reported responses.

It may therefore be particularly relevant when questionnaires concern attitudes, behaviors, or experiences for which participants may feel pressure to provide socially acceptable answers.

Importantly, a high MCSD score should not automatically be interpreted as evidence that an individual is being dishonest. Rather, it reflects a response tendency toward socially desirable self-presentation.

Conclusion

The Marlowe-Crowne Social Desirability Scale [MCSD-33] is a structured psychometric instrument for assessing socially desirable responding.

Its 33 True/False statements and total score ranging from 0 to 33 provide a straightforward method for examining an important potential source of response bias in self-report research.

The MCSD can therefore contribute to a more informed interpretation of questionnaire-based research findings, particularly when the variables being studied may be influenced by social expectations or favorable self-presentation.

References

Crowne, D. P., & Marlowe, D. (1960). A new scale of social desirability independent of psychopathology. Journal of Consulting Psychology, 24(4), 349–354.

Paulhus, D. L. (1984). Two-component models of socially desirable responding. Journal of Personality and Social Psychology, 46(3), 598–609.

Beretvas, S. N., Meyers, J. L., & Leite, W. L. (2002). A reliability generalization study of the Marlowe-Crowne Social Desirability Scale. Educational and Psychological Measurement, 62(4), 570–589.

Fisher, R. J. (1993). Social desirability bias and the validity of indirect questioning. Journal of Consumer Research, 20(2), 303–315.