Jenny, the head recruiter at CreativeTech, a forward-thinking tech company, is looking to innovate their recruitment process. She's particularly interested in introducing a game-based skills assessment to evaluate candidates applying for creative and technical roles. What is the most important consideration she needs to take into account to ensure its effectiveness? a. the games have high-quality graphics and are visually appealing to candidates, b. the games are challending enough so that only the top-performing vandidates can succeed, c. the games assess skills and traits that are directly relevant to the job roles, d. the candidates who perform well in the assessments are rewarded with prizes or awards