Respuesta :
Answer: You can conclude that the medication is effective and decreases sneezing
Janelle can conclude that the medication used in this experiment was effective and it decreases sneezing.
What is a control experiment?
A control experiment can be defined as a type of experiment in which a condition assumed to be a probable cause of an effect is compared with the same situation without involving or using the suspected condition.
What is a treatment group?
A treatment group refers to a group of participants in an experiment that are exposed to some manipulation in the independent variable such as an administration of medication to a particular group.
Thus, Janelle can conclude that the medication used in this experiment was effective and it decreases sneezing because the treatment group show reduced signs of sneezing.
Read more on an experiment here: https://brainly.com/question/17542127