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Measurement theory: some pitfalls
Measurements are not the same as the attributes being measured. When you measure a thing, you assign a number to that object, preferably with some method in mind. But do the numbers actually represent...
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Subliminal perception
In 1959, James McDonald Vicary, a market researcher, claimed that he could get moviegoers eat more popcorn with a technique, called “subliminal advertising”. Apparently, he did an experiment with 45...
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Anonymity in surveys
Many textbooks on social research advise researchers to guarantee complete anonymity to the respondents of their surveys. Allegedly, this should reduce the social desirability of the responses. But,...
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Behavioural measures of consciousness
Accurate report is the standard behavioural index for consciousness in humans (Seth, Baars and Edelman, 2005, p. 119). When you go to bed and you want to know if your partner is still awake, you...
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How big is your working memory?
The limitation of your working memory seems so obvious. Try for example to remember the phone number 202-456-6213 until you finish reading this text. You will notice! When psychologists, however,...
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