IB Sports, exercise and health science (SEHS) SL Extended Essay Example

The student states a clear research question and establishes a recognizable topic from the beginning.

The student shows some awareness of sprint biomechanics and phase-based sprint performance.

The student uses a range of sources rather than relying on a single type of evidence.

The student's discussion is organized in a way that is generally easy to follow.

The student's investigation shifts away from the named group and becomes more of a general sprinting discussion.

The student's method is not explained in a way that would let another reader repeat the comparison.

The student does not consistently show how the evidence was selected or how it answers the research question.

The student demonstrates good knowledge of sprint biomechanics and uses a number of relevant concepts accurately.

The student applies terms such as ground-reaction force, center of mass, stride frequency, and acceleration in ways that generally support the discussion.

The student shows awareness that sprint performance involves multiple technical factors rather than a single cause.

Some scientific explanations are oversimplified or too absolute.

Several claims are not carefully linked to evidence from the specific athletes named in the investigation.

At times the terminology is used broadly without enough precision or qualification.