Do people get happier or more foul-tempered as they age Stereotypes of irritable neighbors 【C1】______, scientists have been trying to answer this question for decades, and the results have been【C2】______. Now a study of several thousand Americans born between 1885 and 1980 reveals that well-being 【C3】______ increases with age but overall happiness 【C4】______when a person was born. 【C5】______studies that have【C6】______older adults with the middle-aged and young have sometimes found that older adults are not as happy. But these studies could not 【C7】______whether their 【C8】______was because of their age or be cause of their【C9】______ life experience. The new study, published online January 24 in Psychological Science, 【C10】______ out the answer by examining 30 years of data on thousands of Americans, including【C11】______ measures of mood and well-being, reports of job and relationship success, and objective measures of health. The researchers found, after controlling for variables【C12】______ health, wealth, gender, ethnicity and education, that well-being increases over everyone"s lifetime. 【C13】______people who have lived through extreme hardship, such as the Great Depression, 【C14】______much less happy than those who have had more【C15】______lives. This finding helps to【C16】______why past studies have found conflicting results—experience【C17】______, and tough times can 【C18】______an entire generation"s happiness for the rest of their lives. The【C19】______news is, 【C20】______we"ve lived through, we can all look forward to feeling more content as we age. 【C20】