Re: Personality questionnaires

On Sep 20, 11:08 pm, Dave Smith <da...@xxxxxxxxxxxxxxxxxxxxxx> wrote:
On 20 Sep, 13:36, Lance <LanceG...@xxxxxxxxx> wrote:



On Sep 19, 12:01 pm, "Peter H.M.Brooks" <pe...@xxxxxxxxxx> wrote:

Lance wrote:
On Sep 18, 11:02 am, Dave Smith <da...@xxxxxxxxxxxxxxxxxxxxxx> wrote:
This article -- a trailer for a book -- may be of interest. It
provides a non-technical (and uncritical?) account of the 'big five'
personality dimensions' and how they relate to other variables.

http://news.independent.co.uk/sci_tech/article2971114.ece

I think it is good article. I'm not sure it will be to PeterB's taste,
but it does set out what is a growing consensus amongst psychologists.

I don't think that I've got anything against it. I am pleased that
personality factors are being teased out in a repeatable manner. As you
know, I would like the enneagram to be investigated more, and this is
happening, there is a repeatable inventory and mappings to other
personality inventories have been found to be fairly reliable:

http://www.enneagraminstitute.com/research.asp

I think there is a fundamental difference between types and
dimensions. The big five, as Dr Nettle says, are really dimensions,
and, a priori, anyone could be located anywhere on the five
dimensions.

It is quite possible, given that the five dimensions really exist,
that particular positions in five dimensional space occur more
frequently that would be expected purely by chance. In that case we
can define a type as a group of people who fall in a particular
location of five dimensional space as defined by the Big Five more
frequently than chance expectation. if you simplified the five
dimensions to two opposite categories (neurotic, not neurotic,
agreeable, not agreeable), then a type would be a combination of
categories that occurred more frequently than one would expect on the
basis of the marginals.

Give the above analysis, it sems to me that a system of types may be
completely compatible with the Big Five, and may some understanding to
the details of how they work in real people.

But I expect scores on the five dimensions have bell-shaped, uni-modal
distributions.

Dave

The interaction between the five dimensions may not be normally
distributed. In fact the interaction of the five may well create types
(and anti-types). Of course the types need not be, almost certainly
would not be exhaustive.

Lance

.

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