What is Charles Yerkes known for?

Charles Tyson Yerkes, (born June 25, 1837, Philadelphia, Pa., U.S.—died Dec. 29, 1905, New York, N.Y.), American financier who put together the syndicate of companies that built Chicago’s mass-transit system.

Was Charles Yerkes a robber baron?

“Yerkes definitely belongs in the pantheon of robber barons,” Franch said. “He was incredibly unscrupulous, routinely using bribery and at times even employing professional vamps to seduce lawmakers. He even looted his own companies for his personal gain.”

How rich was Charles Yerkes?

Charles Tyson Yerkes died in New York City on December 29, 1905, at the age of 68. His estate was valued at $4 million.

How did psychologist Robert M Yerkes contribute to the war effort?

During Yerkes’ tenure as President of the APA, he became involved in developing the Army’s Alpha and Beta Intelligence Tests as part of the World War I effort. The tests were extensively used during this time and were taken by millions of U.S. soldiers.

What did Charles Yerkes do with his money?

Yerkes employed complex financial arrangements similar to those that he had used in America to raise the funds necessary to construct the new lines and electrify the District Railway (today known as the District line).

What type of psychologist was Robert Yerkes?

comparative psychology
Robert Mearns Yerkes (/ˈjɜːrkiːz/; May 26, 1876 – February 3, 1956) was an American psychologist, ethologist, eugenicist and primatologist best known for his work in intelligence testing and in the field of comparative psychology.

Why did Yerkes develop an IQ test?

So Colonel Yerkes combined his early ideas of inherited intelligence and the development of mental testing and developed the Army Alpha and Beta tests as a way of selecting recruits. The aim of this study is to examine the early history of intelligence testing.

What does Yerkes mean?

The distinguished surname Yerkes is of German origin, meaning “son of George.” The name is derived from the Greek “ge ergon,” literally meaning “tiller of the soil” or “farmer.” Yerkes was used as a first name throughout Europe during the Middle Ages due to the legendary dragon-slaying fame of St.

What is pass along test?

Passalong Test, a performance test of intelligence for persons 7 to 20 years old, invented by W.P. Alexander c. 1937 and published by University of London Press in 1937. Intelligence was measured using the Passalong Test. It was a component of W. P. Alexander’s Performance scale. The test was devised in 1937.

How many IQ test options were there for Yerkes?

three types
The sample was 1.75 million US army recruits from different backgrounds during WW1. In 1917 Yerkes developed three types of intelligence test, two of which could be given to large groups and took less than an hour to complete.

How is Yerkes pronounced?

Break ‘yerkes’ down into sounds: [YUR] + [KEEZ] – say it out loud and exaggerate the sounds until you can consistently produce them. Record yourself saying ‘yerkes’ in full sentences, then watch yourself and listen.

What is the Yerkes-Dodson curve and what is important about it?

The Yerkes-Dodson law is a model of the relationship between stress and task performance. It proposes that you reach your peak level of performance with an intermediate level of stress, or arousal. Too little or too much arousal results in poorer performance. This is also known as the inverted-U model of arousal.

How did Charles Yerkes become famous?

Relying on his bank president father’s connections, his political contacts, and his own acumen, Yerkes gained a name for himself in the local financial and social world. However, while serving as a financial agent for the City of Philadelphia’s treasurer, Joseph Marcer, Yerkes risked public money in a large-scale stock speculation.

What did Charles Tyson Yerkes do?

Charles Tyson Yerkes Jr. ( / ˈjɜːrkiːz / YUR-keez; June 25, 1837 – December 29, 1905) was an American financier. He played a major part in developing mass-transit systems in Chicago and London .

Is Yerkes based on a true story?

The events of Yerkes’s life served as a blueprint for the Theodore Dreiser novels, The Financier, The Titan and The Stoic, in which Yerkes was fictionalized as Frank Cowperwood. The crater Yerkes on the Moon is named in his honor.

What happened to John Yerkes?

This speculation ended calamitously when the Great Chicago Fire sparked a financial panic. Left insolvent and unable to make payment to the City of Philadelphia, Yerkes was convicted of larceny and sentenced to thirty-three months in Eastern State Penitentiary .