Under construction…
Keywords: Taylorism, Neoliberalism, Education as business,…
The demise of academic values: A quasi-Humboldtian perspective
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Category Archives: Research Methods & Statistics
Valid logical inferences, scientific integrity, ethics, and authenticity in the neoliberal academic climate
The correct adjustment of α-levels is a logical prerequisite for valid inferences and conclusions (that is, in the NHST framework). However, if stringent (appropriate) α-control techniques would be applied, many experiments would not reach statistical significance at the conventional α …
Preregistration of studies: A methodological stratagem to counter academic fraud
Preregistration is the practice of publishing the methodology of experiments before they begin. This strategy reduces problems stemming from publication bias and selective reporting of results. See for example:
- https://aspredicted.org/
- https://cos.io/prereg/
- https://www.psychologicalscience.org/publications/replication
A exemplary list of currently preregistered studies can …
The effects of ego-depletion on belief-bias
Structural Equation Modeling (SEM)
NHST: Type 1 error (α) inflation
Definition of Type I error:
Probability of rejecting null hypothesis when it is TRUE.
Definition of Type II error:
Probability of not rejecting null hypothesis when it is False.
Imagine tests on 1000 hypotheses 100 of which are …
NHST: P-hacking
Source URL: https://shinyapps.org/apps/p-hacker/
Source URL: https://shinyapps.org/apps/metaExplorer/#tab-2218-2
Source URL: https://www.shinyapps.org/apps/vs-mpr/
NHST: Irrational orthodoxy vs. Bayesian statistics
The majority of professors who lecture statistics are unable to interpret a simple t-test correctly as the following empirical data illustrates (adapted from Haller & Krauss, 2002).
Figure 1. Fallacious statistical reasoning in the interpretation of an independent samples …
Psychology Meta Search Tool (v1.0.2)
Below you can find a custom-made “meta-search-tool” I programmed (coded in ActionScript2) which facilitates to effectively search the web for psychology and neuroscience related information.
You can freely download the program as a zipped executable:
https://christopher-germann.de/tools/meta_search_tool_v1.2.zip
Citation File Format (*.cff)
…
95% Confidence Intervals
In inferential statistics, a confidence interval (CI) is a type of interval estimate, computed from the statistics of the observed data, that might contain the true value of an unknown population parameter. The interval has an associated confidence level that, …