Frontmatter -- Contents -- Acknowledgements -- Experience counts: An introduction to frequency effects in language -- Explaining variation in plural marking of German noun insertions in Russian sentences -- Hesitation placement as evidence for chunking -- Recency as a factor of phonological variation -- Frequency effects in lexical sociolectometry are insubstantial -- Input optimization -- Modeling frequency effects in language change -- Frequency and lexical specificity in grammar: A critical review -- Frequency in language learning and language change