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 40 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
Great answer, keep it coming :)

softEldritch

  • Member
  • Posts: 334
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

Did you know?

All adverse reactions are commonly charted in red ink in the patient's record and usually are noted on the front of the chart. Failure to follow correct documentation procedures may result in malpractice lawsuits.

Did you know?

There are approximately 3 million unintended pregnancies in the United States each year.

The experiment performed by Jacob, Monod, and Pardee to study a lacI constitutive mutant The experiment performed by Jacob, Monod, and Pardee to study a lacI constitutive mutant
Some common functional groups of biomolecules Some common functional groups of biomolecules
Funeral Rituals and Practices among U.S. Cultural Groups Funeral Rituals and Practices among U.S. Cultural Groups
Common Physical and Mental Health Problems of Different Cultural Groups Common Physical and Mental Health Problems of Different Cultural Groups
Ramey's study, children from poverty-level families IQ experiment Ramey's study, children from poverty-level families IQ experiment
Discrete random variables- Probability Distribution Function Discrete random variables- Probability Distribution Function
Video: Oral Hygiene & Braces Animation

For a complete list of videos, visit our video library