Why is replication so important when conducting research? Correct Answer-To determine whether the observed results are reliable
A _____________ variable is one that is not controlled by the experimenter; if this variable has a differential impact on the different groups in the study then it is c...
PSY 3300 - Exam 1 study guide
Why is replication so important when conducting research? Correct
Answer-To determine whether the observed results are reliable
A _____________ variable is one that is not controlled by the
experimenter; if this variable has a differential impact on the different
groups in the study then it is called a _____________ variable.
a. independent; confounding
b. independent; extraneous
c. extraneous; confounding
d. confounding; extraneous Correct Answer-c. extraneous; confounding
Which of the following is a required condition for claiming that a causal
relationship exists?
a. relationship condition
b. no alternative explanation condition
c. temporal order condition
d. all of the above Correct Answer-d. all of the above
Clara wants to conduct an experiment to determine how a new
curriculum compares to the previous curriculum in terms of teaching
state standards. To do this, Clara teaches a lesson from the old
curriculum to one section of her course and teaches the same lesson
, from the new curriculum to another section. After the lesson, she
administers an exam that measures state standards to both courses.
However, the sections are not equivalent in their reading comprehension
skills and pre-requisite knowledge on the subject. She plans to compare
exam scores across sections to determine how the curricula compare.
Which of the following threats to internal validity is most likely to
impact her experiment?
a. regression to the mean
b. maturation
c. selection
d. testing Correct Answer-c. selection
When would an experimenter want to use a "yoked" matching of
participants?
a. when random selection of participants from the population is not
possible or is impractical
b. when participants are randomly selected from the population but not
randomly assigned to groups
c. when the required performance or response is too difficult for one
person to do alone
d. when the temporal sequence of the experimental events could be
confounded with the independent variable and influence the results
Correct Answer-d. when the temporal sequence of the experimental
events could be confounded with the independent variable and influence
the reuslts
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller cracker. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $13.49. You're not tied to anything after your purchase.
