Friday
September 19, 2014

Homework Help: math

Posted by kim on Saturday, June 29, 2013 at 7:38pm.

The student in Question 5 from Module 18
decides to conduct the same study using a
within-participants design in order to control
for differences in cognitive ability. He
selects a random sample of participants and
has them study different material of equal
difficulty in both the music and no music
conditions. The data appear below. As
before, they are measured on an intervalratio
scale and are normally distributed.
Music No Music
6 10
7 7
6 8
5 7
6 7
8 9
8 8
a. What statistical test should be used to
analyze these data?
b. Identify H0 and Ha for this study.
c. Conduct the appropriate analysis.
d. Should H0 be rejected? What should the
researcher conclude?
e. If significant, compute the effect size and
interpret.
f. If significant, draw a graph representing
the data.

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

statistics - 3. A researcher is interested in whether listening to music helps ...
stat and research - 3. A researcher is interested in whether listening to music ...
Statistics - To make causal inferences from observed differences between groups ...
statistics - Conduct an ANOVA comparing participants recall will vary as a ...
stats ? - A researcher investgating depression devises a study that contains the...
stats - A researcher investgating depression devises a study that contains the ...
statistics/psyc - Researchers are interested in the effectiveness of a ...
social psy - I want to utilize a true experimental design to study the effects...
Math - Ms.York has 32 boys and 18 girls in her science class. She ramdomly ...
Statistics, epidemio - Im a medical student and i need to evaluate the ...

Search
Members