This is the 1533rd most frequent Swedish word.
positiva
"Positiva" in Swedish means "positive" in English.
In this sentence, 'positiva' is used as an adjective describing 'erfarenheter' (experiences). It conveys the nature of the experiences as being beneficial or agreeable.
De hade positiva erfarenheter från resan.
They had positive experiences from the trip.
Here, 'positiva' is used as part of the phrase 'positiv feedback', where 'positiv' is singular and has a similar meaning of conveying approval or affirmation.
Läraren gav en positiv feedback på deras presentation.
The teacher gave positive feedback on their presentation.
In this context, 'positiva' functions as an adjective describing 'tankar' (thoughts). It denotes the thoughts being optimistic or encouraging.