List one $(1)$ advantage of a self$-$administered questionnaire. $($There are several mentioned, just choose one.$)[$worth up to $1$ point$]$

$2.$ Name one $(1)$ mistake that Dr$.$ Stainton often sees in her students' questionnaires? $($There may be multiple answers, just choose one.$)[$worth up to $2$ points$]$

$3.$ How does Dr$.$ Stainton advise overcoming the issue of people not understanding the questions? $($She emphasizes this when discussing $-$ Do people understand the questions?$)[$worth up to $2$ points$]$

$4.$ What is a potential qualifying $($qualifer$)$ question that would make sense to use on a questionnaire for a survey designed to identify reasons why people have pets? $($Note: the concept of qualifying questions is explained in the video. This scenario is not in the video. It is designed to check that you understand the concept of qualifying $[$qualifier$]$ questions.$)[$worth up to $4$ points$]$

$5.$ What is one $(1)$ layout issue that researchers should consider when designing a questionnaire? $($There are several mentioned, just choose one.$)[$worth up to $1$ point$]$