Question

select the correct answer.

to determine which brand of gloves is more effective for his goalies, a soccer coach has three goalies with similar skill levels each wear a different brand of gloves during practice. based on his observations in practice, the coach draws a conclusion about the effectiveness of each brand.

what kind of statistical study did the soccer coach conduct?

experiment
theoretical study
survey
observational study

Explanation:

Identify the study characteristics

Using the Experimental Design knowledge point

The coach actively assigns a treatment (different brands of gloves) to the subjects (the three goalies) rather than just observing them in their natural, unaltered state.

Classify the statistical study

An experiment occurs when researchers deliberately impose a treatment on individuals to measure their responses. Since the coach assigns specific glove brands to the goalies to test their effectiveness, this study is classified as an experiment.

Answer:

• experiment (Correct answer)
• theoretical study
• survey
• observational study