For the following scenario, identify the most appropriate statistical test from the following options to analyze the data.

Josh is interested in studying whether a person's body language affects their perceived leadership ability. He gathers a random sample of individuals and presents them with a series of different full-body photos one at a time. For each photo, he asks each participant to indicate the perceived leadership ability on a 7pt Likert scale. Importantly, half of the photos shown are of CEOs and the other half are of non-CEOs. He compares the perceived leadership competency scores across the groups.

z-test

a)One-sample t-test

b)Independent measures t-test

c)Repeated measures t-test

d)Independent measures

e)one-way ANOVA

f)Pearson's correlation coefficient