Virgil The idea that one needs to do an experiment—a controlled perturbation of a single variable—to assign cause and effect is deeply ... uncommon in scientific research as well.

Explain to students that cause and effect is one of the guiding principles ... Explain that there is a maxim in scientific research that also applies to history: Correlation does not equal causation.

A study suggests cannabis use may be linked to smaller newborns. Further research is needed to establish cause and effect.

Still, many concerned parents feel certain they've seen a cause-and-effect relationship between sweets and rowdiness. Admittedly, more research would be needed to completely rule out the ...

The language of cause and effect is highlighted in red ... According to a study published in the Journal of Medical Internet Research (2009), Australian adults who use the internet frequently are 1.5 ...