Prof. Dr. Roger Berger

How reliable are the marginal totals in cooperation experiments in the laboratory?

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http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-149536

Kurzfassung in Englisch

Subjects in laboratory experiments are prone to effects of social desirability. This reactive behavior is due to the subjects perceived anonymity in the entire experiment. Especially, socially desirable behavior is also triggered by assembling and/or payment procedures that are not anonymous. Indeed, in a laboratory experiments with a one-shot prisoner’s dilemma (PD) and perfect stranger anonymity
subjects (n=174) showed significantly different cooperation rates depending on the anonymity conditions during assembling and the payment procedure, ranging from 33.3% to 19.9%. In addition, a first experiment with the PD and anonymous payment and double blind experimenting lead to a cooperation rate of 33.3%. Only after the same subjects (n=34) took part a second time in same, entire experiment,
the cooperation rate fell to 8.8%. Therefore this measurement of the cooperation rates in a laboratory experiment failed the test-retest check on reliability. This happened though all manipulations used fulfilled the standards of fully anonymous experimenting. This means that such processes could go unnoticed and bias the results of any standard laboratory experiment on cooperation in one shot decisions. Therefore, in accordance with the textbook logic of laboratory experiments, but in contrast to a common practice (cf. Behavioral Game
Theory) marginal totals from cooperation experiments in the laboratory should not be interpreted.

weitere Metadaten

Erschienen in Arbeitsbericht des Instituts für Soziologie
Titel der Schriftenreihe
(Deutsch)
Arbeitsbericht des Instituts für Soziologie ; 61
Schlagwörter
(Deutsch)
Wiederholung, Laborversuch, Zuverlässigkeit, Randsumme, doppelblind, Anonymität
Schlagwörter
(Englisch)
repetition of laboratory experiments, reliability, marginal totals, double blind anonymity, confusion
DDC Klassifikation302
Beteiligte Institution(en) 
HochschuleUniversität Leipzig
FakultätInstitut für Soziologie
Institution(en) 
HochschuleUniversität Leipzig
FakultätInstitut für Soziologie
DokumententypForschungsbericht
SpracheEnglisch
Erstveröffentlichungjahr der Druckausgabe2013
Veröffentlichungsdatum (online)22.07.2014
persistente URNurn:nbn:de:bsz:15-qucosa-149536

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