They claim that the theory of video game violence is built on rotten foundations.
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claimant
proclaim
v.
（正式）宣告，声明；表明，明确显示
Correlations which confidently proclaimed that gaming led to violent behavior were shown to likely be the spurious by -product of factors such as family violence.
pronounce
v.
发音，读（音）；正式宣布（或公布）
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pronunciation 发音
pronouncement 宣布
拓展词汇
enounce
v. 声明
enunciate
v. （清晰仔细地）发（音）；念（字）；（清楚准确地）阐明，阐述
articulate
v. 口齿清楚地讲（话）；清晰发（音）；清楚地表达
adj. 能说会道的；（文章、讲话）明晰的，清楚的
announce
v.
宣布，宣告，通知，告知；郑重地说
Last month, Facebook announced partnerships with outside group to help fact-check stories on its site and to more clearly denote which ones may be false.
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n. announcement
assert
v.
(肯定地)断言，坚称；维护（权力或权威）；坚持（主张）
the administration was in essence (本质上，实质上) asserting that...
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assertion assertive
affirm
v.
肯定属实，申明，断言
to affirm the importance of the humanities and social sciences
