Creativity and inventions Online version Choose the correct option to complete the sentences by Irina D 1 Our study _______ that lack of sleep contributes to weight gain. a determined b found out c realised 2 If you have paid close attention to a cat drinking, you will have _______ that they use their tongues as straws. a watched b observed c witnessed 3 Our _______ hypothesis was that a low carbohydrate diet would have a detrimental effect on children’s health. a beginning b initial c early 4 Our _______ show that people who give money or gifts to others in need are happier than those who spend only on themselves. a discoveries b understandings c findings 5 The hypothesis was modified because it was not _______ by the results of our study. a shown b validated c justified 6 The amount of stress people experience when moving house _______ considerably according to their age at the time. a differs b diverges c varies
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