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SentiStrength

The text 'I really love you but dislike your cold sister.'
has positive strength 4 and negative strength -3

Approximate classification rationale: I really love[3] [+1 booster word] you but dislike[-3] your cold[-2] sister .[sentence: 4,-3] [result: max + and - of any sentence][overall result = 1 as pos>-neg] (English)

Positive sentiment strength ranges from 1 (not positive) to 5 (extremely positive) and negative sentiment strength from -1 (not negative) to -5 (extremely negative). The sentiment strength detection results are not always accurate - they are guesses using a set of rules to identify words and language patterns usually associated with sentiment.

Another Go? Try a non-English experimental version?

Enter text:

Keyword test: Specify keywords for the sentiment classification
Enter keywords (comma-separated list, no spaces: exact matches only -e.g., add mike,mike's,mikes if you want to match all variants):

Topic test: Specify a domain (topic) to help the classifier judge your terms
Select domain (broad topic): Films/Movies Mobile Phones Riots Music Politics Hotels Auto Detect

More texts to try (cut and paste into the box above - try to guess the results before you click the button!):

•  I have no opinion about anything at all.
•  I am terrified of my neighbour.
•  Watching TV is my favourite activity.
•  Dogs are fantastic but cats are awful.

The SentiStrength Windows version results differ slightly (for under 1% of texts for positivity and 1-5% for negativity).

Did SentiStrength get the wrong answer? If you think that it is missing a word or has the wrong score for a word, please email m dot thelwall at wlv.ac.uk with your suggestion. SentiStrength does not always get the right answer and the term weightings sometimes compromise between different common uses of a word. For example, "love" is normally a strong emotion in "I love you" but is moderate in "Love from Mike", neutral in "if you really want me you gotta show me love" and negative in "Love will tear us apart" so the average common strength is used.