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Digit Ratio

Everyware Technologies S.L.

  • Platform: iOS
  • App ID: 1313005322
  • Price: Free
  • Category: Utilities, Business
  • Website: asistic.ugr.es
  • Ad spend: No
  • Mobile Priority: Low
  • User Base Size: Weak
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Details

Publisher: Everyware Technologies S.L.
Number of Apps: 20, including

  • Digit Ratio
  • Paseos Matemáticos
  • Picaa
  • Calculadora Quirúrgica
  • Papalagi
Latest Update/Release: 36525 days ago

Description

A now widely studied putative marker for prenatal sex hormones exposure or, more precisely, for the relative exposure to testosterone compared to estrogens while in uterus, is the second-to-fourth digit ratio (2D:4D), that is the ratio between the index (2D) and the ring (4D) fingers. Digit-ratio app is a tool to obtain anonymous measurements of digit ratios (2D:4D). Earlier studies that have stood the test of replication have reported that 2D:4D varies by sex and ethnicity but that male 2D:4D tends to be lower than female 2D:4D in all ethnic groups and the effect is strongest in the right hand. These differences emerge prenatally and appear to be stable during the developing years. While a number of failed replications have been reported, 2D:4D appears to be successfully associated with cognitive abilities, impulsivity, aggression and risk-taking, among other effects on personality and cognition. The objective of the research project is to collect anonymous measurements from multiple individuals. The measurements and profile data may be sent to a server for research purposes. No image will be sent.

Rating

Rating 1.5

Based on 2 ratings

Last Update

Last Update 1.0.2

Released December 14, 2017

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