The differences between consecutive values in ordinal scales are
A) qualitative only.
B) at equal intervals.
C) not at equal intervals, but ordered.
D) at equal intervals and ordered.
Answer: C
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The Democratic Party national committee changed its internal procedures to ?be more open and inclusive in response to
A) ?the end of the Civil War and of slavery. B) pressures caused by the Great Depression. C) ??the 1950s "McCarthy Era" blacklisting of citizens. D) ?a traumatic 1968 convention following the assassination of Robert Kennedy. E) ?a desire for more transparency following publicity about surveillance of citizens by the NSA and other national security agencies.
In order to support the hypothesis that the independent variable has influenced the dependent variable,
A) a significantly high within-groups variation is necessary. B) careful reduction of all variation is necessary. C) a significantly high between-groups variation is necessary. D) a sample size of at least 30 is necessary.
Strayer and Johnston (2001) created a study in which participants engaged in either an easy or a difficult task while trying to track a visual stimulus on a screen. In addition, there were three types of distracting tasks
The researchers measured how many errors the participants made in spotting visual stimuli. This research a. could not have involved a repeated measures design. b. involved five different conditions. c. involved only measured variables. d. used a 2x3 design
Although political scientists must have some natural interest in their subjects, proper __________ is not biased
a. legitimacy b. discipline c. scholarship d. advocacy