| Test Number | 41 |
| Title | Miller Motivation Scale |
| Author | Miller, H. J. |
| Category | Self-Report Inventory |
| Copyright Date | 1988 |
| Availability | On the internet. |
| Restrictions | |
| Age/Grade Level | Grade 7-adult |
| Cost | $5.00 per use |
| Forms | |
| Source | META Development LLC |
| Address | |
| Phone | |
| Fax | |
| web or e-mail | http:www.metadevelopment.com |
| Definition | |
| Purposes | Designed to measure positive and negative aspects of the individual’s motivation. |
| Characteristics | Listening to One's Inner Voice |
| Manual |
|---|
| Fair | The manual is now available on-line. It is limited in its offerings and long on its claims. One presumes that directions would be given when logging on to the web-site. While validity and reliability are claimed there is no information as to the sample u |
| Validity |
|---|
| Fair | MMY #10: “With the exception of the creative and innovative scales (which seem to be measuring almost the same thing) there is no empirical evidence that the scales are measuring what is claimed they are measuring.” The author infers validity based on sus |
| Reliability |
|---|
| Fair | Stability for the subscales ranged from .69 to .84. Split-half reliabilities ranged from .50 to .90. Spearman-Brown ranged from .67 to .95. Coefficient Alpha was .92. This should give users confidence —except that the only things we are told about the su |
| Utility |
|---|
| Excellent | The current version of the measure is completed on-line by groups on individuals in about 30-40 minutes to answer 20 items on a six point Likert-type scale. Items are based on standard personality statements about beliefs, preferences and behaviors. |
| Interpretation |
|---|
| Fair | Eight scores are given as raw scores and percentile scores for: creative, innovative, productive, cooperative, attention, power, revenge, and give-up. The results are immediately available to the user upon completion of the scale, provided in a six page printout. These scores are meaningless without published norms. |
| Propriety |
|---|
| Poor | Fails to address the required and essential standards for test development. |
| Reviews & Related Lit |
|---|
| MMY #10, 1989, Mueller, D. J. “The psychometric quality of the instrument is very poor.” “In summary the MMS is a very weak psychological instrument.” “Rousseau, D.: “I could not recommend it for use at present as a counseling tool or a measure of motivation.” CCL: It appears that little has been done to improve this instrument since 1989. |
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