Category Archives: The Scientific Method

The Placebo Effect: That is How Powerful the Mind is

placebo

Placebo pills are not “real” pills, but they may have similar effects.

According to Gibbs (2010), placebos are interventions that do not have a true treatment effect on the symptom or disease for which they are used. An important aspect is that people think they receive a true treatment. Continue reading

4 Assumptions About the Mean Value in Statistics

Speelman & McGann (2013) emphasize that over-reliance on means may contribute to misleading, and possibly erroneous, findings. Continue reading

The Psychometric Quality of a Psychological Test

psychometric

Testing is the cornerstone of psychological research.

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