Question

What is the difference between a Within Subjects Design and a Between Subjects Design and (b) Which type of design are we using if we must use a Dependent Samples t-test?

Answer #1

Difference between Within Subjects Design and a Between Subjects Design is that the within subjects design include dependent variable, i.e. one sample is used for testing all the conditions whereas the between subjects design include independent variables, i.e. different samples are used for testing different conditions.

so, for a dependent sample t test, we must use within subjects design because this design uses only one sample, i.e. single dependent sample for testing different conditions.

what are the upside and downsides for using either a
within subjects or between subjects design?

What are the advantages of a within-subjects experimental design
compared to a between-subjects design?

What would be the difference in your experimental design if you
elected to use a dependent samples t test instead of an independent
samples t test (how would your sample and testing be affected)?

Compare and contrast:
Between-subjects with within-subjects designs
Small N designs with large N designs.
In what circumstances would you use the within-subjects design
and in what circumstances would you use the large N design?

Based on the APA formatted statements below, give the
type of research design (between subjects/within subjects), the
sample size, and the decision (reject the null hypothesis/fail to
reject the null hypothesis) in this study? NOTE: I need the three
pieces of information with steps.
A researcher develops an advertisement aimed at increasing how
much the public trusts a particular federal agency. She asks
participants to rate their level of trust for the organization
before and after viewing an advertisement. Higher...

what is a between subjects design

What is the difference between a t test of independent means and
a t test of dependent means? Provide examples of when you would use
each type of t test.

What are the similarities and differences between the two t
tests for the difference between two population means? Under what
condition should we use the t test for the matched samples?

What are the similarities and differences between the two t
tests for the difference between two population means? Under what
condition should we use the t test for the matched samples?

1. Which of the following is a major difference between a
hypothesis test with a t statistic and the test with a z-score?
a.
You must know the population standard deviation for the z-score
but not for the t statistic.
b.
You use the normal distribution table to find critical values
for t but not for z.
c.
You must know the population median for the z-score but not for
the t statistic.
d.
There are no major differences between...

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