What kind of effect can you examine with a two-way analysis of variance that you could not examine if you conducted multiple one-way analyses?
a. the way in which each treatment effect increases as you add more independent variables
b. the interaction effect of the two ndependent variables
c. the degree to which either independent variable alone changes performance on the dependent variable
d. which group(s) performed significantly better or worse than other group(s)
Which of the following ways can be used to remain up-to-date on developments in the field of psychology?
a. the use of scholarly resources
b. the reading of published findings
c. the engagement of research
d. all of the above
What is the main difference between a one-way and a two-way analysis of variance?
a. a one-way analysis of variance is used when you have one independent variable and a two-way analysis of variance is used when you have two independent variables
b. one-way is used when you have matched groups and two-way is used when you have independent groups
c. one uses a one-way when working with an odd number of independent variables and a two-way when working with an even number
d. in a two-way, you compute the F ratio using two different methods, and take the F that is larger
Which is considered the most precise level of measurement?
a) ordinal
b) nominal
c) ratio
d) interval
Which sampling technique can assure that the profile of the sample matches the profile of the population?
a) simple random sampling
b) systematic sampling
c) stratified sampling
d) cluster sampling
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