independent and dependent variables?

you can have some karma if you help me with this

Ronald and his classroom research group were conducting an experiment to test peoples abiliuty to touch their noses when their eyes were shut. They were testing their hypothesis that males were more skilled at this task than females. The group also had a theory that noise could alter a persons ability to carry out the task. They asked several classmates and teachers to perform the task. Sometimes, Ronald or someone else in the research group would whistle or shout while a person tried to do the task.

1. What dependent variable did Ronalds group identify?
2. What independent variables can you identify?
3. Were the variables effectively manipulated? Why or why not?
4. How could you improve the experiiment?
5. Now construct your own experiment; measuring both dependent and independent variables to determine how a lack of sleep influences performance on a math quiz which emphasizes solutions to word problems.

thank youuuu

 

huh???

 

Dependant variable I believe is whether or not they can touch their nose.

 

1. The ability to touch one's nose
2, gender, noise level

(1 is dependent, because it can be expressed in terms of 2 while 2 can vary freely)

3. No. They were confounded. We need four different test cases (male w/ noise, male without, female /w noise, female without)

4. make four different test cases, select from random people, impose treatements mentioned in 3 (well, gender cannot be imposed... but yeah)

5. well, basically you Measure sleep times, Measure scores, do regression and stuff with sleep times as the dependent variable..

 

I say give Jerry some Karma for at least trying.

 

ow my brain decided to remember it once knew how to do these problems and figured it could again but was so happy to know the part that was once motivated to solve such things is long dead

 

DIE STATS DIE!!!! Probability suxxxxxx

haahaha.... no more stats for four months for meeeee

 

aww... Don't say that. I like stats.

Care to be in a study group with me?

 

Oh sure you say that now, but after a couple glasses of wine you'll be trying to get to 'broad focus group'.

I'll pun you!

 

would you do my homework next semester? I'll be taking stats :&

 

sure....

 

Have I told you how much I appreciate you lately?