analyse (1) expérience scientifique (1) effet (1) coût (1) âge (1) méthode (1) Color (1) Development (1) Regression analysis (1) Reading (1) Impact (1) Experiments (1) Cost (1) Colors (1) Color (1) Older people (1) Age groups (1) Age (1) Ability (1) Reading (1) Age (1) Analysis (1) Influence (1) Size (1) Name (1) Number (1) Experiments (1)