Distinguish historical records, impression formation and predictive accuracy, without treating these sources as validation of WhatZoo.
A historical record is not an accuracy test
Lavater's work provides one historical example of interpreting character from appearance. Wellcome Collection's record preserves an English edition dated 1789. It documents past claims rather than experimentally validating them. This article does not combine different cultural traditions into one universal theory.
Looking trustworthy and being trustworthy are different questions
Todorov and colleagues' 2009 study examines trustworthiness impressions after brief face exposure. Forming an impression does not by itself establish that the person's honesty was correctly identified.
Foo and colleagues' meta-analysis reports modest accuracy while cautioning about practical utility and generalizability. Neither “there is no related research” nor “faces reliably reveal personality” is an appropriate blanket conclusion.
Limits for WhatZoo
These studies did not validate WhatZoo's animal rules or character descriptions. Sharing an input format—face photos—does not transfer their findings to this app's accuracy. WhatZoo calculates metrics from coordinates and selects animals using preset conditions. Personality, romance and career concepts are fictional text.
Questions to ask of evidence
- Did the study measure observers' impressions or independently assessed behavior?
- What participants, photo conditions and comparison criteria were used?
- Can a group-level result justify judging a specific person?
- Did the source actually test this app and these rules?
Ask people about their experiences and preferences; use app results for character play. The analysis guide and accuracy limits distinguish implementation from unvalidated interpretation.