Add the chickpeas, apricots, onion, carrots, garlic, diced tomatoes, vegetable broth, cumin, cinnamon, ginger, turmeric, salt, and black pepper to the slow cooker.
Stir everything together until the spices are evenly distributed.
Cover and cook on low for 6 hours or on high for 3 hours until the carrots are tender.
About 10 minutes before serving, bring the water to a boil in a small pot. Stir in the couscous, cover, and remove from heat. Let it sit for 5 minutes, then fluff with a fork.
Spoon the tagine over the couscous. Top each serving with parsley and sliced almonds.