First, a quick bit of science: Digit-ratio (the proportionate difference between your index finger and ring finger) indicates how much testosterone you were exposed to as a foetus:
…in males, the second digit tends to be shorter than the fourth, and in females the second digit tends to be the same size or slightly longer than the fourth.
A number of studies have shown a correlation between the 2D:4D digit ratio and various physical and behavioural traits.
Scientists found a connection between digit-ratio and celebrity worship, with more feminine proportions equalling more interest in celebs:
The current study tested the hypothesis that digit ratios would be associated with celebrity worship, especially among adolescents. Our sample consisted of 45 male and 61 female participants aged 12–14 years (M = 13.20, SD = 0.71). We measured the digit ratios on the participants’ right hands and used the 23 items of the revised Celebrity Attitude Scale (CAS) to explore the degree to which participants engaged in celebrity worship. The average digit ratio was 0.95 (SD = 0.04) among male participants and 0.97 (SD = 0.05) among female participants. The mean CAS scores were 50.06 (SD = 20.63) for male participants and 64.49 (SD = 18.04) for female participants. The digit ratios for the entire sample were positively correlated with CAS scores (r = 0.29, p < 0.005). However, the digit ratios were positively correlated with CAS scores among female (r = 0.51, p < 0.001) but not male (r = −0.13, p = .394) participants. Our research found evidence of a significant positive correlation between 2D:4D ratios and celebrity worship in females but not in males, which indicated that females with lower digit ratios were less likely to worship celebrities.
Source: “Digit ratio and celebrity worship” from Personality and Individual Differences
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