A research study has been conducted to investigate the effect of a mental imagery intervention (in comparison with a control group) to improve scoring success and self-confidence in basketball players.

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Statistical Analysis Portfolio Coursework

A research study has been conducted to investigate the effect of a mental imagery intervention (in comparison with a control group) to improve scoring success and self-confidence in basketball players. The researchers also measured the players’ levels of performance anxiety, the number of years experience of playing basketball, and their desire for perfection. All of these assessments (including scoring success and self-confidence resulted in scores measured on at least the interval scale).

 

In addition, the players were tested on their ability to perform 4 separate basketball skills (again measured on an interval scale).

 

Use the dataset "Sports med.sav". For the following, carry out the appropriate statistical analysis. Write a short section on the results, mention the analysis chosen, include the relevant exact statistics and give a summarising interpretation.

 

  1. Explore the shape (using appropriate figure(s) and statistics) of the measures of scoring success and self-confidence at both time points (i.e. 4 variables in total). Calculate the most appropriate measure of central tendency and variability for each of these variables.

 

  1. Describe the relationship between self-confidence (at each point in time) with the players’ levels of performance anxiety, the number of years experience of playing basketball, and their desire for perfection.

 

  1. Is there any difference between the control and intervention groups in terms of previous mental health issues?
  2. Is there any difference between the control and intervention groups in terms of the score for each of the 4 skills assessed?

 

  1. Is there any difference between the control and intervention group in terms of the change in self-confidence scores over time? (For the purposes of this exercise, provide and interpret an interaction plot, if one is appropriate, whether the interaction is statistically significant or not).

 

  1. Are the scores on the scoring success scale at post-test dependent on the interaction between previous mental health issues and group?

 

  1. To what extent is performance anxiety explained by previous mental health issues, years experience playing basketball and desire for perfection?

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