hospitals in each city. They compared heart attack rates for the year before the smoking ban and for the year after the ban was enacted. for the following study please indicate the following * indipendent variable true/fuals? variables of interest? * is there more than one IV? * what stratagy has been used to manipulate the indipendent variable? what are the levels of the independent variable?
Study 1
Researcher were interested in the effect of a new banningsmoking in publick place on health. They compared heart attack rates for two cities of comparable size where one city enacted a smoking ban one year before the study and the other city had no smoking ban. To compare heart attack rate. the researchers examined the hospital records for the hospitals in each city. They compared heart attack rates for the year before the smoking ban and for the year after the ban was enacted.
for the following study please indicate the following
* indipendent variable true/fuals? variables of interest?
* is there more than one IV?
* what stratagy has been used to manipulate the indipendent variable? what are the levels of the independent variable?
* Dependent variable or variable of interest
* the level of measurement (NOIR) of the variables
* between subjects (BS) between group (BG) or within-subject (WS) or single group?
* what type of design is bein used?
* what is the appropriate statistic?
* state a statistcal directional hypothesis in the operational terms
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