In a study designed to examine the effects of an intensive reading program, Vaughn et. al (2009) screened 2nd grade students and separated good readers from poor readers. The poor readers were given the intervention treatment
At the end of 26 weeks of intervention significant improvement in the poor readers was noted. What type of experimental design was employed in this study?
a. regression discontinuity
b. nonequivalent comparison group
c. interrupted time series
d. median split design
A
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When Congress is unable to pass a complete budget by the beginning of the fiscal year, it usually passes _____, which enable the executive agencies to keep on doing whatever they were doing the previous year with the same amount of funding.
A. continuing resolutions B. referendums C. tax increase bills D. nuclear option resolutions E. outlays and obligations bills
The famous Milgram study that asked subjects to administer pretend electrical shocks is associated with what explanation of power?
A) Biological
B) Psychological
C) Cultural
D) Rational
According to international relations research, a __________ power distribution appears to be best at maintaining peace.
A. unipolar B. bipolar C. tripolar D. multipolar
"External validity" of an experiment refers to the extent to which
a. the operational definitions of variables really do represent the concepts they are meant to capture. b. we can be confident that the experiment is testing the hypothesis we think it is testing. c. we can make causative statements about the relationship between the dependent and independent variables. d. the results of an experiment can be generalized across people, settings, times, treatments, and outcomes.