| Chatwork | Other apps | ||
|---|---|---|---|
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Assignments and Task management for individuals and group members | OK | NONE |
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Organize conversations, discussions & groups - Categorize according to priority. | OK | NONE |
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Ability to search within conversations | OK | NONE |
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Assign tasks within the chat screen | OK | NONE |
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Use live web forms rather than locally uploaded | OK | NONE |
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Mark unread messages to check and reply later | OK | NONE |
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Group video chat | OK | NONE |
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Use seamlessly on PC and Smartphone - sync everytime everywhere, without chat interruption | OK | NONE |
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Control individual users with the Management Interface | OK | NONE |
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All information encrypted by SSL Protocol | OK | NONE |
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Upload files using highest encryption method AES256 | OK | NONE |
Research results from companies who have compared to similar tools applied throughout Vietnam.
For a test to be reliable, it must produce stable results. You wouldn't trust a scale that gave you a different weight every time you stepped on it. Despite its brevity, the MD5 boasts surprisingly high internal consistency
Smith, J., et al. (2018). Reliability and validity of the Mental Ability Test (MAT). Journal of Educational Psychology, 110(3), 347-358.
Because it minimizes reliance on language and cultural knowledge, the MD5 is frequently favored for diverse talent pools where verbal tests might introduce systemic bias. 2. Reliability of the MD5 Mental Ability Test
Today, we are looking under the hood to examine the two pillars of psychometrics that determine if the MD5 is worth your time: and Validity . md5 mental ability test reliability and validity
Sanchez, C. (2019). Construct validity of the MD5 Mental Ability Test. Journal of Cognitive Psychology, 31(3), 348-355.
Test-retest reliability evaluates score stability over time. When administered to the same group of individuals after a two- to four-week interval, the MD5 maintains a high correlation coefficient (
Construct validity confirms that the test accurately maps to the psychological theory of fluid intelligence and Spearman’s general intelligence factor ( For a test to be reliable, it must produce stable results
Research and manual data consistently indicate that the MD5 test meets or exceeds this threshold, often hovering between 0.82 and 0.88. This proves that the individual matrix items are harmonized and collectively measuring a singular, unified construct of mental agility. 2. Test-Retest Reliability
Because the MD5 utilizes dichotomous scoring (correct or incorrect), KR-20 is typically applied. Studies consistently show coefficients ranging from 0.80 to 0.88 .
. Research and technical manuals indicate it possesses strong psychometric properties, characterized by high internal consistency and established correlations with traditional intelligence benchmarks New York University Psychometric Reliability (2018)
High scorers on the MD5 consistently show faster learning curves, shorter training times, and superior adaptability to changing work environments. Content Validity
Test-retest reliability measures the stability of test scores over time. If a candidate takes the MD5 today and retakes it two weeks later, their scores should remain relatively stable, assuming no significant intervening factors.
References:
31 items testing word, number, and alphabetical relationships.