The starting date of the research project is the 1st of September 2011 and the ending date is the 28th of February 2013. The implementation of the research project is divided in ten stages. The scheduled plan is presented in the following table.

Stage   Description

Scheduled

Completion

Stage 1            Literature review on transformational geometry concepts, interactive-dynamic resources, spatial abilities and cognitive styles  February 2011
Stage 2  Development and pilot of instruments for measuring ability in transformational geometry concepts and spatial abilities and for assessing cognitive styles  March 2011
Stage 3  Instruments' modifications  April 2011
Stage 4  Investigation of students' strategies in transformational geometry tasks  June 2011
Stage 5  Selection of interactive-dynamic resources and design of instructional programs and worksheets  December 2011
Stage 6  Administration of pre-tests and questionnaire and identification of students' characteristics  February 2012
Stage 7  Teaching experiment and post-test  May 2012
Stage 8  Analysis of data, conclusions and evaluation  February 2013
Stage 9  Dissemination of Results  February 2013
Stage 10       Project Management  February 2013