Create 10 practical ways to develop lively and multi-layered characters in creative writing that emotionally engage readers and enrich the plot.

Context: [creative writing, character development, character design, psychology, motivations, conflicts, dialogues, character biography, character dynamics, narrative technique]

Goal: [create authentic and believable characters, depict different character types, make internal and external conflicts understandable, increase reader engagement through strong characters]

For each way, explain:
1) a concrete approach or technique for character development (e.g., creating character sheets, internal monologues, backstories, contradictions in character)
2) practical tips for application in various genres and text forms
3) the expected effect on character portrayal and reader perception

The ways should:
- consider both main and supporting characters
- provide creative impulses for individual and differentiated characters
- address typical pitfalls in character development
- be suitable for authors with basic knowledge of creative writing