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

Author Question: Which of the following statements is true if a study measures two groups on each of 27 variables, ... (Read 15 times)

nelaaney

  • Hero Member
  • *****
  • Posts: 560
on: Jun 20, 2018
Which of the following statements is true if a study measures two groups on each of 27 variables, and the experimenter carries out a t test for independent means for each variable (that is, 27 t tests) using the .05 significance level?
 
  A) If any of the t tests are significant, there is clearly a difference between groups on all variables at the overall .05 level.
  B) It is not proper to carry out any t tests in this situation.
  C) The chance of a Type II error is high.
  D) The chance of at least one t test being significant is greater than 5.

Question 2

The most common way for a t test for independent means to be reported in a research article is
 
  A) t(i:29 ) < .05
  B) independentt(15 ): 30, p: significant
  C) t(independent) = 2.9, significant
  D) t(45 ) = 3.5, p< .05


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ktidd

  • Sr. Member
  • ****
  • Posts: 319
Reply #1 on: Jun 20, 2018
Answer to Question 1

Please could you help me with another one. Thank you

Answer to Question 2

Thank you soo much


nelaaney

  • Member
  • Posts: 560
Reply 2 on: Jun 20, 2018
Excellent

ryhom

  • Member
  • Posts: 366
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

There are 60,000 miles of blood vessels in every adult human.

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

Did you know?

Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.

Did you know?

In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

Scattergrams are a mechanism used by political scientists to show patterns and relationships among v Scattergrams are a mechanism used by political scientists to show patterns and relationships among v
How to convert verbal statements into algebraic equations (Part 4) How to convert verbal statements into algebraic equations (Part 4)
The results from West and Crook's study of memory for telephone numbers The results from West and Crook's study of memory for telephone numbers
Harvard Alumni Study show who are more physically active in middle adulthood Harvard Alumni Study show who are more physically active in middle adulthood
The biochemical basis of the ABO blood groups The biochemical basis of the ABO blood groups
Characteristics of Some Protist Groups Characteristics of Some Protist Groups
Video: Medullary osmotic gradient: countercurrent multiplier, urea recycling & vasa recta countercurrent exchange

For a complete list of videos, visit our video library