Don't forget that there are a large number of stock markets around the globe and a wide range of other influences on student achievement that we may not even be aware of. (tapintoteenminds.com)
Although ethnic identity was a significant predictor of self - esteem, it accounted for a relatively small proportion of the variance, suggesting the importance of other influences on self - esteem. (link.springer.com)
How can the influence from temperature be separated from other influences. (judithcurry.com)