Analysis 1: basic descriptive statistics (dataset v1)

1) Conduct descriptive analyses of all new variables in the dataset this week. How are the data distributed? What measures of central tendency are appropriate for each?

2) From the assigned reading by Teschke et al, briefly describe two strengths and two weaknesses of self-reported exposures

3) From the assigned reading by Teschke et al, briefly describe two strengths and two weaknesses of expert assessments of exposures

4) From the assigned reading by Kauppinen, briefly describe in your own words why the author recommends assigning exposures by specific agents instead of by groups of agents.

5) From the assigned reading by Tielemans et al, briefly describe in your own words the importance of each of the four proposed decision levels for exposure data.