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General Decision Making Questionnaire
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About General Decision Making Questionnaire
Scale Name
General Decision Making Questionnaire
Author Details
Scott and Bruce
Translation Availability
Not Sure
Background/Description
The General Decision Making Questionnaire (GDMS) is a self-report questionnaire that assesses five decision-making styles: rational, avoidant, dependent, intuitive, and spontaneous. It was developed by Scott and Bruce in 1995 and has since been widely used in research and practice.
The General Decision Making Questionnaire is based on the idea that people have different preferences for how they make decisions. Some people prefer to make decisions in a logical and systematic way, while others prefer to make decisions based on their gut feelings. The GDMS helps people to identify their dominant decision-making style and to learn more about how they can make more effective decisions.
The GDMS consists of 25 items, with five items for each of the five decision-making styles. Participants rate each item on a scale of 1 to 5, with 1 being strongly disagree and 5 being strongly agree. The higher a participant’s score on a particular style, the more likely they are to use that style when making decisions.
The General Decision Making Questionnaire has been shown to be a reliable and valid measure of decision-making styles. It has been used in a variety of research studies to investigate the relationship between decision-making styles and other variables, such as personality, cognitive abilities, and job performance. The GDMS has also been used in clinical practice to help people to improve their decision-making skills.
The GDMS is a valuable tool for anyone who wants to learn more about their own decision-making style and how to make more effective decisions. It is a simple and easy-to-use questionnaire that can be taken online or in paper form.
Here is a brief introduction to each of the five decision-making styles assessed by the GDMS:
- Rational: People with a rational decision-making style typically make decisions in a logical and systematic way. They gather information, weigh the pros and cons of each option, and make decisions based on their own values and goals.
- Avoidant: People with an avoidant decision-making style often delay or avoid making decisions altogether. They may worry about making the wrong choice or feel overwhelmed by the decision-making process.
- Dependent: People with a dependent decision-making style rely heavily on the advice of others when making decisions. They may feel insecure about their ability to make good decisions on their own.
- Intuitive: People with an intuitive decision-making style often make decisions based on their gut feelings. They may trust their intuition to guide them in the right direction.
- Spontaneous: People with a spontaneous decision-making style often make decisions without thinking them through carefully. They may be comfortable taking risks and making decisions on the fly.
Administration, Scoring and Interpretation
The General Decision Making Questionnaire (GDMS) can be administered in a variety of ways, including:
- Online: There are many websites that offer online versions of the GDMS. These versions are typically easy to use and provide immediate feedback on your results.
- Paper-and-pencil: You can also find paper-and-pencil versions of the GDMS online or in some libraries. These versions require you to print out the questionnaire and fill it in by hand.
- Group setting: The GDMS can also be administered in a group setting, such as a workshop or training session. This can be a good option if you want to learn more about your own decision-making style and the decision-making styles of others.
Instructions for administering the GDMS:
- Provide participants with a copy of the GDMS and explain the instructions.
- Ask participants to read each item carefully and rate it on a scale of 1 to 5, with 1 being strongly disagree and 5 being strongly agree.
- Once participants have completed the questionnaire, collect the answer sheets and score them.
Scoring the GDMS:
To score the GDMS, simply add up the participant’s scores for each of the five decision-making styles. The higher the participant’s score on a particular style, the more likely they are to use that style when making decisions.
Reliability and Validity
The General Decision Making Questionnaire (GDMS) is a reliable and valid measure of decision-making styles. It has been used in a variety of research studies to investigate the relationship between decision-making styles and other variables, such as personality, cognitive abilities, and job performance. The GDMS has also been used in clinical practice to help people to improve their decision-making skills.
The reliability of the GDMS has been assessed using a variety of methods, including internal consistency, test-retest reliability, and inter-rater reliability. Internal consistency refers to the extent to which the items on the GDMS measure the same thing. Test-retest reliability refers to the consistency of scores on the GDMS when it is administered twice to the same group of people at different points in time. Inter-rater reliability refers to the agreement between different raters in scoring the GDMS.
Studies have shown that the GDMS has good internal consistency, with Cronbach’s alpha coefficients ranging from .71 to .86 for the five decision-making styles. Test-retest reliability studies have also shown that the GDMS is a reliable measure of decision-making styles, with intraclass correlation coefficients ranging from .63 to .86. Inter-rater reliability studies have also shown that the GDMS is a reliable measure of decision-making styles, with agreement between raters ranging from 80% to 95%.
The validity of the GDMS has been assessed using a variety of methods, including content validity, construct validity, and concurrent validity. Content validity refers to the extent to which the items on the GDMS represent the domain of decision-making styles. Construct validity refers to the extent to which the GDMS measures what it is intended to measure. Concurrent validity refers to the correlation between scores on the GDMS and scores on other measures of decision-making styles.
Studies have shown that the GDMS has good content validity, with the items on the GDMS being well-representative of the domain of decision-making styles. Construct validity studies have also shown that the GDMS measures what it is intended to measure, with the five decision-making styles on the GDMS being correlated with other measures of decision-making styles. Concurrent validity studies have also shown that the GDMS is a valid measure of decision-making styles, with scores on the GDMS being correlated with scores on other measures of decision-making styles.
Available Versions
25-Items
Reference
Scott, S. G., & Bruce, R. A. (1995). General Decision-Making Scale (GDMS) [Database record]. APA PsycTests. https://doi.org/10.1037/t08399-000
Important Link
Scale File:
Frequently Asked Questions
What is the General Decision Making Questionnaire?
The GDMS is a self-report questionnaire that assesses five decision-making styles: rational, avoidant, dependent, intuitive, and spontaneous.
How do I take the General Decision Making Questionnaire?
You can take the GDMS online or on paper. There are many websites that offer online versions of the GDMS, or you can find paper-and-pencil versions online or in some libraries.
How do I score the General Decision Making Questionnaire?
To score the GDMS, simply add up your scores for each of the five decision-making styles. The higher your score on a particular style, the more likely you are to use that style when making decisions.
What do my GDMS results mean?
Your GDMS results indicate your dominant decision-making style. However, it is important to remember that everyone uses all five decision-making styles to some extent. The GDMS simply helps you to identify your dominant style.
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