[pcbernha...@frostburg.edu<mailto:pcbernha...@frostburg.edu>]
Sent: 27 August 2013 08:41
To: Teaching in the Psychological Sciences (TIPS)
Subject: Re: [tips] Sample Size: How to Determine it?
There is software to determine this. One excellent and free app is G*Power.
http://www.psych
: RE: [tips] Sample Size: How to Determine it?
I was going to stay out of this discussion but I have to address a couple of
points, one of which is made by Rick at the end of his post:
(1) The major problem with power analysis is that it requires one to have
knowledge of POPULATION PARAMETERS, that
I was going to stay out of this discussion but I have to address
a couple of points, one of which is made by Rick at the end
of his post:
(1) The major problem with power analysis is that it requires
one to have knowledge of POPULATION PARAMETERS,
that is, the means, the standard deviation, the c
ives thought
to his steps."
From: Michael Britt [mailto:mich...@thepsychfiles.com]
Sent: Tuesday, August 27, 2013 9:00 AM
To: Teaching in the Psychological Sciences (TIPS)
Subject: Re: [tips] Sample Size: How to Determine it?
Also helpful. So, to answer my own previous question, b
<mailto:pcbernha...@frostburg.edu>]
*Sent:*27 August 2013 08:41
*To:*Teaching in the Psychological Sciences (TIPS)
*Subject:*Re: [tips] Sample Size: How to Determine it?
There is software to determine this. One excellent and free app is
G*Power.
http://www.psycho.uni-duesseldorf.de/abteilung
__
From: Paul C Bernhardt
[pcbernha...@frostburg.edu<mailto:pcbernha...@frostburg.edu>]
Sent: 27 August 2013 08:41
To: Teaching in the Psychological Sciences (TIPS)
Subject: Re: [tips] Sample Size: How to Determine it
ttp://www.ubishops.ca/ccc/div/soc/psy
>
> " Floreat Labore"
> ___________
>
> From: Paul C Bernhardt [pcbernha...@frostburg.edu]
> Sent: 27 August 2013 08:41
> To: Teaching in the Psy
Thanks Paul. I've downloaded G*Power. Question: the correlational component
of the study revealed r = -.21, p<04 (higher tendency to humanize nature were
associated with a lower tendency to help victims of a natural disaster). The
next test will be an independent samples t-test.
How does th
" Floreat Labore"
___
From: Paul C Bernhardt [pcbernha...@frostburg.edu]
Sent: 27 August 2013 08:41
To: Teaching in the Psychological Sciences (TIPS)
Subject: Re: [tips] Sample Size: How to Determine it?
There is softwar
There is software to determine this. One excellent and free app is G*Power.
http://www.psycho.uni-duesseldorf.de/abteilungen/aap/gpower3/
I would use the correlational study to give me an estimate of effect size. As
you describe, I would use that in the software to estimate my number of
partici
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