At 07:00 AM 9/28/00 -0700, Jenny Goodspeed wrote:
> I have a question regarding the creation of an
> overall scale from several likert-type items.
>
> I have a group of items that I'd like to sum to
> create the scale. Results of a factor analysis show
> that the items load high on one factor. The items
> also have a high alpha coefficient.
ok ... so, you can sum to get a total
>
> However, some of the items have a 4-point scale,
> while the remaining have a 7-point scale. Is this a
> problem?
do you mean when you use this again? or, for the data you have in hand?
for data in hand ... don't worry about it ... for using again ... can't you
rescale the 4 pointers as 7 pointers? or vice versa?
>
> If so, do I need to use factor score coefficients to
> create the scale? If I'm am doing such, do I need
> to standardize the items first? How do I do this?
i would not suggest that you complicate your life!
how many items? what size alpha? can you get by with fewer?
>
> I'd appreciate any help anyone can give.
>
>
>
>
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