Question

A researcher predicts that the color red will negatively affect a person’s ability to solve a
series of math problems. So 20 participants are given 20 math problems written in red
in, while another 20 participants complete the same 20 math problems in black ink The
mean time for participants in red ink testing to complete the math problems is 350
seconds (standard deviation is 68 seconds) while black ink participants complete the
task in 290 seconds (standard deviation is 62 seconds), t (38) = 2.01, p < .05. How would
you interpret this study in terms of significance and meaningfulness? Use the online
effect size calculator to help you interpret the results

Answer 1

Here

we have tested that red ink problem candidates have taken more time than time taken by black ink problem candidates

so for that we have got P value less than 0.05 so we can reject H0 that is we have sufficient evidence to support the claim that red ink candidates have taken more time that that by black ink candidates,

hence we can say that red color will negatively affect the abiltiy to solve series of maths problems.