The effect of time of day a science class is taught on test scores is being studied in an experiment. Which of these is most likely to be an extraneous factor that could also affect scores

Their worse are not meaningful;

The equal protection clause, is part of the 14th amendment to the united states constitution,the clause, which took effect in 1868 provides that no state shall deny to any person within its jurisdiction "the equal protection of the lawthe equal protection clause states that citizens are protected equally under the law

Idon’t know the answer