True or false ? I believe it is true. An independent-measures research study compares three treatment conditions using a sample of n = 5 in each...
True or false ? I believe it is true. An independent-measures research study compares three treatment conditions using a sample of n = 5 in each...
True or False ?
If a repeated-measures study shows a significant difference between two treatments with a = .01, then you can be sure that _____. a. the value of Cohen’s d is large. ( PICKED WRONG ANSWER) b...
In general, an increase in variance for the sample of difference scores will cause 1. an increase in the standard error and an increase in the value of t 2. an increase...
A researcher obtains t = 2.35 for a repeated-measures study using a sample of n = 8 participants. Based on this t value, what is the correct decision for a two-tailed test? 1. Reject the...
A researcher would like to determine if relaxation training will affect the number of headaches for chronic headache sufferers. For a week prior to training, each participant records the number of...
A researcher is testing the effect of a new cold and flu medication on mental alertness. A sample of n = 9 college students is obtained and each student is given the normal dose of the medicine. Thirty...
1. It will increase the estimated standard error and increase the likelihood of rejecting H0. 2. It will increase the estimated standard error and decrease the likelihood of rejecting...
What is the estimated standard error for the sample mean?
1. 0.05 2. 0.95 3. 0 4. between 0 and 0.05 5. not enough information to answer. I'm guessing it is 0.95
TRUE OR FALSE ?
A researcher administers a treatment to a sample of participants selected from a population with µ = 80. If a hypothesis test is used to evaluate the effect of the treatment, which combination of...
wrong answer: 18
a random sample of n=4 scores is obtained from a normal population with u=20 and o=4. what is the probability that the sample mean will be greater than m=22 wrong answer: 0.3707 is...
u=76 SD( standard deviation)=12, tom scored 8 points below the mean. mary had a score of x=73, and bill had a z score of z=-0.50. place these three students in order from lowest to highest score lowest middle highest wrong...
a very bright student is described as having an IQ that is three standard deviations above the mean. if this student's IQ is reported as a z score , what would the z-score be? 1...
wrong answer : 5 how do i solve this?
choices : 3 square root of 3 4 square root of 4 wrong answer: square root of 3
MY WRONG ANSWER: mean, median, mode . CHOICES: mean, median, mode mode, median, mean ...