This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: If the hypothesis is a one-tailed hypothesis, how can the experimenter determine whether the results ... (Read 20 times)

danielfitts88

  • Hero Member
  • *****
  • Posts: 535
on: Jun 19, 2018
If the hypothesis is a one-tailed hypothesis, how can the experimenter determine whether the results are in the correct direction for a pretest posttest design? The experimenter checks the _____.
 
  a. absolute value of the obtained t c. pretest and posttest means
  b. sign of the obtained t d. all of these

Question 2

In order to find the critical value of t in the table, we need to know _____.
 
  a. whether the hypothesis is one-tailed or two-tailed
  b. alpha
  c. the degrees of freedom
  d. all of these


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kswal303

  • Sr. Member
  • ****
  • Posts: 316
Reply #1 on: Jun 19, 2018
Answer to Question 1

C
If the larger mean corresponds to the mean that was predicted to be larger, then the result is in the correct direction. The value of related t is always positive

Answer to Question 2

D
The critical value of t depends of all of these things, whether the design is an independent groups design or a repeated measures design.


danielfitts88

  • Member
  • Posts: 535
Reply 2 on: Jun 19, 2018
:D TYSM

bbburns21

  • Member
  • Posts: 336
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

Did you know?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Did you know?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

Approach used to determine the evolutionary relationships among many animal species using molecular Approach used to determine the evolutionary relationships among many animal species using molecular
Flowchart to determine if a species is autotroph, heterotroph, or a subtype Flowchart to determine if a species is autotroph, heterotroph, or a subtype
How to determine an exponential relation from a table of values How to determine an exponential relation from a table of values
Determine the # of real roots from the equation Determine the # of real roots from the equation
Results of gamete formation Results of gamete formation
Results of a cross involving two genes located on the same chromosome Results of a cross involving two genes located on the same chromosome
Video: Interview with Person having Obsessive Compulsive Disorder

For a complete list of videos, visit our video library