You set a goal to increase your fluency in basic Spanish within 12 months. Which measurement strategy will best help you track and achieve your goal? a.) Record all of the new Spanish words you learn each week and total them up each month. b.) Take a basic Spanish proficiency test at the end of each week and document your scores. c.) Track the number of hours that you spend studying Spanish each week on a spreadsheet. d.) Hold a conversation with a Spanish-speaking friend when you start your goal and again at the end of the year