Table 1 An exploratory analysis showed that there was no increase in the use of any other question words under stress relative to control. The use of “What” showed a decrease under stress relative to control.

From: How” web searches change under stress

Question type

Mean difference (stress − control)

t-test stats

What

− 0.43

t(144.65) = − 5.179, p < 0.001

When

− 0.03

t(152.34) = − 1.221, p = 0.224

Which

0.01

t(190) = 0.969, p = 0.334

Why

0.01

t(190) = 0.244, p = 0.807

Where

− 0.08

t(141.80) = − 1.855, p = 0.066

Who

− 0.02

t(143.47) = − 1.055, p = 0.293