The primary purpose of the experiments carried out within this thesis was to
examine the relationships between goals, the perceptions of individuals towards those
goals, the performance environment and the eventual performance outcome. More
specifically, what are the changes in selected goal setting variables and what is the
anxiety response within individuals, when objective goal difficulty is manipulated under
various environmental conditions? Four laboratory-based experiments were carried out
in this research. The primary purpose of the first experiment was to establish an
appropriate experimental design and measure of task performance that would allow an
investigation of selected goal setting variables. Whilst the primary objectives were
achieved, one important factor emerged that needed to be considered in the design of the
subsequent experiments. Goal setting needed to be based around the ability of the
individual rather than group norms. Experiment 2 was designed not only to further
investigate the theoretical framework underlying goal setting, but also to examine the
nature of the multidimensional anxiety response associated with that framework. Again,
the main objectives of Experiment 2 were achieved, but the experimental design adopted
did not allow for investigation of changes in goal setting and anxiety under different
performance environments. Consequently, Experiment 3 was designed in an attempt to
extend the investigation of the above framework towards 'real-life' situations. A complex
design attempted to approximate the environmental conditions encountered by athletes in
low versus high stress situations, such as those encountered in practice and in
competition. The results were complex and the major finding to emerge was that it was
difficult to approximate 'real-life' situations when using a novel performance task and
competitive instructions as a potential stressor. Experiment 4 attempted to address these
issues and required university basketball players to perform a basketball free-throw
task under 'low stress' and 'high stress'conditions. Although there were expected
differences for the goal setting and anxiety variables between different goal groups, there
were no differences on any of the variables when performing under the different
environmental conditions. The series of experiments contained within this thesis
attempted to establish a theoretical framework, albeit in a laboratory setting, which may
form the basis for future, more ecologically valid, investigations into the many 'real-life'
sporting situations which inherently contain aspects relating to goal setting, anxiety
and performance .