Text dominated by nouns and long sentences

Repetition of the same vocabulary

Frequent use of verbs and action-oriented expressions

High proportion of function words only

Vocabulary richness

Emotional tone

Grammar accuracy

Sentence complexity

Topic modeling

Sentiment analysis

Machine translation

Stylometric analysis

Function words dominate longer texts

Longer texts contain more grammar errors

Sentence structure becomes simpler

Authors repeat words more as text length increases

the ratio of the sum of verbs and verbal forms to the total number of word usages in the text

the ratio of the number of verbs to the number of nouns in the text

the ratio of the number of verbs to the number of adjectives in the text

Ignore stylistic patterns and focus on length of documents

Focus on character-level n-grams and function words

Use only topic-based features

Use only bigram co-occurrences of nouns

Vocabulary richness, exclusivity indices

Word count, sentence count

Nominality, pronominalization, modality

Dynamism and cohesion

Happiness

Capacity

Valuation

Reaction

“She felt anxious because her supervisor was overly critical.”

“The system is outdated.”

“The proposal is innovative and well-structured.”

“The results are impressive.”

“They felt relieved after the results.”

“He is incompetent.”

“He missed every deadline and ignored client feedback.”

“She is very kind.”