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  2. Mental chronometry - Wikipedia

    en.wikipedia.org/wiki/Mental_chronometry

    In 2001, psychologist Ian J. Deary published the first large-scale study of intelligence and reaction time in a representative population sample across a range of ages, finding a correlation between psychometric intelligence and simple reaction time of –0.31 and four-choice reaction time of –0.49.

  3. Serial reaction time - Wikipedia

    en.wikipedia.org/wiki/Serial_reaction_time

    Serial reaction time (SRT) is a commonly used parameter in the measurement of unconscious learning processes. [1] This parameter is operationalised through a SRT task, in which participants are asked to repeatedly respond to a fixed set of stimuli in which each cue signals that a particular response (i.e., button press) needs to be made.

  4. Reaction time - Wikipedia

    en.wikipedia.org/?title=Reaction_time&redirect=no

    This page was last edited on 27 September 2021, at 15:25 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.

  5. HP-42S - Wikipedia

    en.wikipedia.org/wiki/HP-42S

    Perhaps the HP-42S was to be released as a replacement for the aging HP-41 series as it is designed to be compatible with all programs written for the HP-41. Since it lacked expandability, and lacked any real I/O ability, both key features of the HP-41 series, it was marketed as an HP-15C replacement.

  6. Marktplaats.nl - Wikipedia

    en.wikipedia.org/wiki/Marktplaats.nl

    By 2010 the community was posting over 260,000 classified ads every day and the platform counted over 6 million active ads. In June 2020, Marktplaats was bought by the Norwegian company Adevinta [ de ] , as part of the $9.2 Billion transaction between Adevinta and eBay, for the take over the advertising arm of eBay ( eBay Classifieds Group ).

  7. 10 of the Most Expensive Items Ever Sold on eBay

    www.aol.com/10-most-expensive-items-ever...

    But eBay is a place for a lot more than just cheap, used curling irons and vintage newspapers. ... Related: The Most Expensive Celebrity Homes of All Time. the ghost town of albert, texas. 5 ...

  8. Unusual eBay listings - Wikipedia

    en.wikipedia.org/wiki/Unusual_eBay_listings

    Bridgeville, California (population 25) was the first town to be sold on eBay in 2002, and has been up for sale three times since. [1] In January 2003, Thatch Cay, the last privately held and undeveloped U.S. Virgin Island, was listed for auction by Idealight International. The minimum bid was US$3 million and the sale closed January 16, 2003. [2]

  9. Marchant Calculating Machine Company - Wikipedia

    en.wikipedia.org/wiki/Marchant_Calculating...

    Some calculators that had been serviced had dials that were mispositioned by (probably) 3.6 degrees; the gears weren't quite meshed correctly when reassembled. 1960s SCM Marchant calculator. The calculator was very complicated compared to, for example the Friden STW, a machine notable for its relative internal simplicity.