ETYMOLOGIA SŁOWA POST HOC
From Latin, short for Post hoc ergo propter hoc after this, therefore on account of this.
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1
Statistics Using SPSS: An Integrative Approach
POST-HOC MULTIPLE COMPARISON TESTS In Chapter 12, following a
statistically significant omnibus F-test in the one-way ANOVA, we conducted a
series of post-hoc tests to determine which specific means differed from which
others.
Sharon Lawner Weinberg, Sarah Knapp Abramowitz, 2008
2
Analysis of Variance and Covariance: How to Choose and ...
Use. of. post. hoc. pooling. The power of an F test is the ability to detect a
specified difference between two or more population means, or a linear trend
across values of a cov- ariate, with a specified level of confidence. Post hoc
pooling is a ...
C. Patrick Doncaster, Andrew J. H. Davey, 2007
3
Research Design Explained
analysis of variance test has first established that at least some of the groups do
indeed differ.10 Second, post hoc tests are not the same as conventional t tests.
Unlike conventional ttests, post hoc t tests are designed to correct for the fact that
...
Mark Mitchell, Janina Jolley, 2012
4
Biostatistics: The Bare Essentials
The post-hoc tests we've mentioned are all used when we can assume
homogeneity of variance among the groups. Because the one-way ANOVA is
fairly robust to violations of this assumption, that means they're used in most
situations.
Geoffrey R. Norman, David L. Streiner, 2008
5
Handbook of Univariate and Multivariate Data Analysis and ...
20.00 - 18.00- 16.00 - 14.00- 12.00- 10.00 - 8.00 - List Easy Hard Strategy A
Strategy B Strategy FIGURE 7.1 7.4.6 Post Hoc Test for Simple Effects The
significant interaction effect indicates that the effect of one independent variable
on the ...
6
Experimental Design in Behavioural Research
On the other hand, if the study is exploratory in nature, all possible comparisons
between pairs of means or more complex combinations of means could be
examined after the data have been collected, by using post hoc comparisons or a
...
7
Critical Thinking, fourth edition: An Introduction to the ...
8.5-1 POST HOC If A causes B then A must occur before B occurs, since the
cause must always precede the effect. If boiling water causes it to evaporate, then
we have to boil the water before we can expect it to evaporate. But the fact that a
...
William Hughes, Jonathan Lavery, 2004
8
Essentials of Research Methods in Health, Physical ...
Post Hoc Tests A question arises, however. Which of the means are significantly
different from each other? The significant F indicates only that at least one pair of
means is truly different (the largest and the smallest means are the obvious ...
Kris E. Berg, Richard Wayne Latin, 2004
9
Research Methods: A Modular Approach
Because the results from our ANOVA indicate that at least one of the sample
means differs significantly from the others (represents a different population from
the others), we must now compute a post hoc test (a test conducted after the fact
—in ...
10
Statistics for Nursing and Allied Health
However, a post-hoc test must be performed to determine which of the means are
different. A series of t-tests might be computed to compare all of the possible
pairs of means. The problem with a series of t-tests, however, is that it would lead
to ...
Stacey Beth Plichta, Laurel S. Garzon, 2009
WIADOMOŚCI, KTÓRE ZAWIERAJĄ SŁOWO «POST HOC»
Sprawdź, o czym dyskutuje się w prasie krajowej i zagranicznej oraz jak jest stosowane słowo
post hoc w wiadomościach.
Determinants of different deep and superficial CA1 pyramidal cell …
(h) Juxtacellular labeling and post hoc identification of the cell in g confirmed it was a deep CB− PC (3 optical sections, 6 μm). (i) Spatial dependence of activity ... «Nature.com, Lip 15»
Neutrophils promote Alzheimer's disease–like pathology and …
Bars represent means ± s.e.m. for three independent experiments. (ANOVA followed by Bonferroni's post hoc test) (*P < 0.01; **P < 0.001; ***P < 0.0001). «Nature.com, Lip 15»
Combined transcriptome studies identify AFF3 as a mediator of the …
... the s.d. Control conditions were set as one and data were analyzed by one way analysis of variance followed by Fisher's LSD post hoc test. «Nature.com, Lip 15»
Will a Greek Tragedy Befall Malaysia GDP?
A perfect example of a post hoc ergo propter hoc fallacy. It is not just the media committing this error, but most of the analyst community as well. «The Establishment Post, Lip 15»
3 Alzheimer's Drugs Investors Should Be Watching
They had spent a lot of money developing this drug, so they went back and did post hoc analysis. They discovered that while it didn't work for ... «Motley Fool, Lip 15»
Laurie Taylor – 23 July 2015
... detailed the manner in which derogatory comments (often aimed at women) could be “construed as a joke post hoc” and thereby be excused. «Times Higher Education, Lip 15»
Dietary counselling and nutritional support in oropharyngeal cancer …
Analysis of variance and Bonferroni's post hoc test was used to compare the IMRT with the IMRT+BT and IMRT+CBK group. Survival was ... «Nature.com, Lip 15»
The oxytocin system promotes resilience to the effects of neonatal …
Repeated measures-ANOVA was performed on behavioral data (licking and grooming, nursing) across time points, and post hoc t-tests were ... «Nature.com, Lip 15»
Elevated peripheral cytokines characterize a subgroup of people …
Post hoc tests showed that in patients with schizophrenia, higher cytokines were associated with a 15% smaller right SMG volume (F(1 ... «Nature.com, Lip 15»
Targeting hedgehog signaling reduces self-renewal in embryonal …
Tumor growth curves were compared using two-way analysis of variance with Bonferroni post hoc tests. Only animals that showed tumor ... «Nature.com, Lip 15»
