scholarly journals Mood impact on cardiovascular reactivity when task difficulty is unclear

2009 ◽  
Vol 33 (3) ◽  
pp. 239-248 ◽  
Author(s):  
Michael Richter ◽  
Guido H. E. Gendolla
Author(s):  
Guido H. E. Gendolla ◽  
Rex A. Wright ◽  
Michael Richter

What determines effort intensity in instrumental behavior? According to motivation intensity theory, effort should be proportional to experienced task difficulty as long as success is possible and justified and low when success is impossible or excessively difficult, given the available benefit. When task difficulty is unspecified or unknown, effort should be proportional to the importance of success. This chapter reports an extensive program of research that has operationalized effort intensity as cardiovascular reactivity during task performance and used multiple manipulations of variables influencing subjective task difficulty (e.g., performance standards, instrumentality, ability, fatigue, mood, depressive symptoms, implicit affect, implicit and biological aging) and the amount of justified effort (e.g., material incentive, instrumentality, needs, personal and social evaluation, mortality salience). In the second edition of this handbook, this chapter focuses on recent empirical evidence for the principles of motivation intensity theory and discusses challenges for other theoretical accounts.


2011 ◽  
Vol 79 (3) ◽  
pp. 335-340 ◽  
Author(s):  
Paul J. Silvia ◽  
Hannah C. Jones ◽  
Casey S. Kelly ◽  
Alireza Zibaie

2008 ◽  
Vol 45 (4) ◽  
pp. 653-662 ◽  
Author(s):  
Guido H. E. Gendolla ◽  
Michael Richter ◽  
Paul J. Silvia

Author(s):  
Guido H. E. Gendolla ◽  
Rex A. Wright ◽  
Michael Richter

This chapter deals with the psychological process that determines effort intensity in instrumental behavior. According to motivation intensity theory, effort should be proportional to experienced task difficulty as long as success is possible and justified and low when success is impossible or excessively difficult, given the available benefit. When task difficulty is unspecified or unknown, effort should be proportional to the importance of success. We report a program of experimental studies that have operationalized effort intensity as cardiovascular reactivity during task performance and used multiple manipulations of variables influencing subjective task difficulty (e.g., performance standards, ability, mood) and the amount of justified effort (e.g., material incentive, instrumentality, evaluation). The empirical evidence is in clear support of the principles of motivation intensity theory and challenges a number of other theoretical accounts. Directions for future research are discussed.


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