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Methodological aspects of active place avoidance task
Bahník, Štěpán ; Stuchlík, Aleš (advisor) ; Němec, Pavel (referee)
The active place avoidance task represents one of the methods of the study of animal cognition. In this task, a subject is put on a rotating circular arena and avoids invisible sector that is stable with respect to the room. Rotation of the arena means that the subject's avoidance must be active, otherwise the subject would be moved in the punished sector by the rotation of the arena and a slight electric shock would be administered. The experiment described in the present work explored the effect of variable arena rotation speed on the ability to avoid the punished sector. Rats in a group with a variable arena rotation speed learned to avoid the punished sector with the same speed and attained the same ability to avoid the sector as rats in a group with a stable arena rotation speed. The only difference between the two groups was found in a preferred position within the room. No difference was found between the two groups in the dark phase, where the rats could not use orientation cues in the room. Only one rat was able to learn the avoidance of the punished sector in this phase. The results of the experiment suggest that idiothetic orientation and interval timing are not crucial for learning of the avoidance of the punished sector. However, idiothetic orientation is sufficient for the avoidance of the...
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Methodological aspects of active place avoidance task
Bahník, Štěpán ; Stuchlík, Aleš (advisor) ; Němec, Pavel (referee)
The active place avoidance task represents one of the methods of the study of animal cognition. In this task, a subject is put on a rotating circular arena and avoids invisible sector that is stable with respect to the room. Rotation of the arena means that the subject's avoidance must be active, otherwise the subject would be moved in the punished sector by the rotation of the arena and a slight electric shock would be administered. The experiment described in the present work explored the effect of variable arena rotation speed on the ability to avoid the punished sector. Rats in a group with a variable arena rotation speed learned to avoid the punished sector with the same speed and attained the same ability to avoid the sector as rats in a group with a stable arena rotation speed. The only difference between the two groups was found in a preferred position within the room. No difference was found between the two groups in the dark phase, where the rats could not use orientation cues in the room. Only one rat was able to learn the avoidance of the punished sector in this phase. The results of the experiment suggest that idiothetic orientation and interval timing are not crucial for learning of the avoidance of the punished sector. However, idiothetic orientation is sufficient for the avoidance of the...
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Heuristics and biases: A model of intuitive judgement
Bahník, Štěpán ; Bahbouh, Radvan (advisor) ; Stehlík, Luděk (referee)
The present work describes the model of heuristic judgment of Kahneman & Frederick (2002) and two experiments based upon it. According to the model people answer a question with an answer to an easier question when making a heuristic judgment. This process is called the attribute substitution because a target attribute of a question is substituted by an associated and easier accessible heuristic attribute. The first experiment investigated whether two heuristic attributes can be used simultaneously during making of a judgment. A part of participants gave 1 or 4 reasons for one of the statements in Linda problem (Tversky & Kahneman, 1983). Numbers of reasons were selected so as to produce a feeling of fluency of disfluency. Although the conjunction fallacy occurred, the writing of the reasons didn't have any influence on the assessment of the probability of the related statement. The second experiment investigated whether the priming of the relation between processing fluency and risk can influence the effect of pronounceability of a food additive name on the assessment of its harmfulness. In accord with previous study (Song & Schwarz, 2009) it was shown that food additives with less pronounceable names were considered as more harmful. The priming didn't have any effect. The present studies...
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Psychological aspects of the theory of advertisement
Bahník, Štěpán ; Sirůček, Pavel (advisor) ; Džbánková, Zuzana (referee)
Present work describes two ways of application of psychological findings to economic theory of advertisement. Psychological findings may help with evaluation of different economic approaches of the study of advertisement. Evidence from psychology of persuasion is applied to the question, whether advertisement is used as a source of information. The work then inquires into the possibility, that advertisement can enhance utility. Summarized studies indicate, that it may indeed be so. During the inquiry, neuroeconomics is applied and it's basic methods are presented. The concluding part describes ramifications of chosen approach.
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Applications of psychology of decision-making
Bahník, Štěpán ; Sirůček, Pavel (advisor) ; Džbánková, Zuzana (referee)
This work summarizes the basics of the heuristics and biases approach. It is a psychological approach to the study of decision-making and judgment stemming from works of Daniel Kahneman and Amos Tversky. Not only did it contribute to understanding of numerous cognitive processes, which people use for deciding and making judgments, but it has many applications in various fields including economics as well. There are mentioned examples of application besides theory in this work. In particular, the covered fields are negotiation, investment decision making and marketing. Critics of depicted approach and its implications are briefly described at the end of the work.
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