title: Two factors to be considered in the design of experiments in anxiety and motor behavior.
abstract: There are two aspects of Martens' paper which deserve comment. The first deals with experimental design and statistical power while the second concerns the distinction between performance and learning and the implications it has for research in anxiety and motor learning.
authors.affiliation: School of Physical Education, University of Bristish Columbia, Vancouver, Canada.
authors.forename: R G
authors.initials: RG
authors.lastname: Marteniuk