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Behaviormetrika
Behaviormetrika
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0
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9
VIEWS
by Springer-Verlag
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eye 9

We report the results of a randomized experiment conducted in Japan as part of a mail survey of voters. In this experiment, we examined whether or not inserting a pen in the questionnaire would improve the response rate. We employed a two-by-two treatment in which we varied the price of the pen (high-priced or low-priced) and whether or not the pen was inserted in a paper-made box. We found that providing a pen increased the response rate by more than nine percentage points. We also found that...
Journal of Echocardiography
Journal of Echocardiography
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17
VIEWS
by Springer-Verlag
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eye 17

Background. Myocardial fibrosis occurs in the subepicardial myocardium of the left ventricular posterior wall in patients with Duchenne Muscular Dystrophy (DMD). The aim of this study was to clarify how these regional myocardial lesions might influence the focal cardiac movement using two-dimensional speckle tracking echocardiography and to investigate whether this new method is useful for the early detection of cardiac involvement in DMD patients.