A study was designed to test whether presendting one side or both sides of an argument is more effective in changing attitudes. Perhaps presenting just the "pro" side would be more effective because the audience would not be aware of the "anti" side. A large random sample was selected, and subjects were assigned to a "pro only" condition, an anti only" condition or a "pro +anti" condition. All three presentation were made by the same person. A the end of the presentation, subjects were asked to report their attitudes about issue using a 6-point likert scale, where high scores relect more positive attitudes. 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
A study was designed to test whether presendting one side or both sides of an argument is more effective in changing attitudes. Perhaps presenting just the "pro" side would be more effective because the audience would not be aware of the "anti" side. A large random sample was selected, and subjects were assigned to a "pro only" condition, an anti only" condition or a "pro +anti" condition. All three presentation were made by the same person. A the end of the presentation, subjects were asked to report their attitudes about issue using a 6-point likert scale, where high scores relect more positive attitudes.
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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