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Until recently psychology has mainly been working within a disease model: a strong emphasis has been placed on discovering deficits in human behaviour and finding ways to repair this damage. Psychologists hardly focused on doing studies acquiring knowledge about healthy functioning and building strengths . In other words, they have focused solely on taking away something negative (the dysfunctioning) instead of adding something positive (increasing mental and behavioural health). The result is that psychologists know little about healthy and happy functioning. This situation has been changing now since the rise of positive psychology a few years ago. What is Positive Psychology? It is a new movement in psychology, originated by Martin Seligman and a few other prominent psychologists. It aims to be a psychological science about the best things in life.


I'd like to know what function 'acquiring~' has. Is this a present participle ?

ex) ~~ doing studies acquiring............. = ~~doing studies which acquired knowledge........... (??)

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Psychologists hardly focused [on doing studies acquiring knowledge about healthy functioning and building strengths].


Preliminary point: 'Present participle' is not a function; it's a word category.

The two underlined elements are gerund-participle clauses functioning as complements of the preposition "on". The bracketed PP is then complement of the verb "focused".

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Psychologists hardly focused on doing studies and on the acquisition of knowledge about healthy functioning and building strengths

Studies do not acquire knowledge.

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Comments  
BillJ"Acquiring knowledge ..." is an adjunct giving descriptive information about "psychologists".

Thanks Billj ^^

But.... I am not sure if 'acquiring' is a present participle

In addition, I wonder if the following structure is possible or not

ex) studies acquiring knowledge about healthy functioning and building strengths

= studies which acquired knowledge about healthy functioning and building strengths

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HoonyI am not sure if 'acquiring' is a present participle

I can assure you that "acquiring" is a gerund-participle (your present participle) verb. It has "knowledge about healthy functioning and building strengths " as direct object.

HoonyIn addition, I wonder if the following structure is possible or notex) studies acquiring knowledge about healthy functioning and building strengths= studies which acquired knowledge about healthy functioning and building strengths

Some people may see it like that, but I prefer to analyse the two gerund-participial clauses as joint complements of "on".