You will hear a radio presenter called Tom Lee describing the psychological effects of the colour red on humans and animals. For questions 1-9, complete the sentences with a word or short phrase.
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Psychologists at a British university found those taking part in 1 competitions got more points when they wore red. Tom says it is becoming increasingly clear that colours affect how the human 2 behaves. Anthropologist Ella Beecham identified a possible 3 when she discovered how colours were assigned in some Olympic events. Beecham found wearing red affected results most when wrestlers were what is referred to as 4 Beecham believes that unexpected results may occur when a 5 has an unconscious preference for red. Beecham investigated whether different levels of 6 had a favourable effect on those playing in the same team. Tom uses the words 7 to describe the meaning that red often has in nature. Fish in an aquarium behaved in a way normally reserved for encounters with 8 when a red vehicle was nearby. In mandrill monkeys, red signifies the 9 of the male in cases of possible conflict.