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. 2013 Dec 10;8(12):e82270. doi: 10.1371/journal.pone.0082270

Table 2. Sequence for the analysis of every game action.

STEP 1 - WATCHING selected images :
1.1.- Watching the full point and the selected action to be analysed.
1.2.-Waiting moment to favour stimulated remembering.
1.3.- New watching of the same action and contextualization of that point (scoreboard).
Observations: The expert completes information with data such as game order in which the point is framed (e.g., fifth game of the match) and scoreboard before the beginning of the point (e.g., winning 2-1, 40-30).
STEP 2 – SELF-ANALYSIS and player’s reflection:
2.1.- Explanation and valuation of the analysed point. Global analysis of his action and initial analysis of the decision made
STEP 3 – COMBINED ANALYSIS player-expert:
Sequential analysis of the causes and reasons of the decision through questioning
3.1.- Analysis of the decision context Scoreboard, opponent’s placement, player’s placement, ball placement and direction, shot executed by the rival, etc. These context conditions were analysed as constraints to decision-making.
3.2.- Valuation of possible solutions Type of shot (forehand, backhand), effect shot (flat, topspin, backspin or slice), direction (down the line, cross-court, to the centre), depth (short, medium, long), height (high, medium or low trajectory) and shot power that might be done.Valuation of the best resources of every shot characteristic taking into account the decision context.
3.3.- Analysis of the selected response Type of shot (forehand, backhand), effect shot (flat, topspin, backspin or slice), direction (down the line, cross-court, to the centre), depth (short, medium, long), height (high, medium or low trajectory) and shot power selectedAnalysis of the characteristics of the shot selected respect to the decision context.
3.4.- Analysis of the execution of the decision Analysis of the result of the selected action. Differentiation between decision and execution.The player must differentiate between tactical intention and execution outcome.
3.5.- Analysis of the result of the decision Main consequences on the opponent and on the player.In a successful decision, players have to identify some good consequences (e.g., displacement of the opponent, entire space to send the next shot, etc.). In an unsuccessful decision, players have to identify some bad consequences (e.g., their displacement, loss of initiative, etc.).
3.6.- Global analysis of the action. Proposal of alternatives (if needed) Comparison with the analysis done in step 2.Reinforcement of decision-making or proposal of alternatives (only when analysing an error). If the decision-making analysed was successful, the player has to reinforce why the decision made was successful. If the decision-making analysed was unsuccessful, the player has to search for the best alternative after analysing context and possible solutions, and justify why this is the best.