The correct answer is C. Workshop.
A workshop is a hands-on learning experience where participants learn by doing. It is a good option for training in the use of SPSS because it allows participants to practice using the software in a supervised setting.
A conference is a meeting of people who share a common interest. It is a good option for sharing information and networking, but it is not as effective for hands-on learning.
A seminar is a presentation of information by an expert. It is a good option for learning about a topic, but it is not as effective for hands-on learning as a workshop.
A lecture is a presentation of information by an expert to a large audience. It is a good option for learning about a topic, but it is not as effective for hands-on learning as a workshop.