VIII. Choose the correct answer A, B, C, or D. Back in the early 20th century, two scientists Binet and Simon studied human intelligence (MAY) the concept of IQ (intelligence quotient). During the 1960s, this test had a significant influence on people's careers and education (2) ______. As time passed, scientists realized that it was impossible to define a person's intellect without considering emotional and physical characteristics. There was also a rise in popularity of pragmatic pedagogy ideas. (3) ______ approach focused on addressing the needs and interests of children. Students were taught to be independent and capable (4) ______ solving everyday problems. Experimental schools based on reform pedagogy ideas appeared in the United States and Western Europe during that time.