A researcher tests the mean of a sample of 28 people and calculates a value of 2.13 for the t-statistic. For ? = .05 (two-tailed), which of the following decisions is MOST appropriate?
a. do not reject null (p < .05)
b. do not reject null (p > .05)
c. reject null (p < .05)
d. accept null (p < .05)
c. reject null (p < .05)
You might also like to view...
The overall instructions for a survey questionnaire
A. need to provide background on how the questionnaire came about
B. need to be clear enough for respondents to answer accurately
C. should be printed in multiple languages
D. should describe the results the study is trying to achieve
Piagetian learning theory maintains that:
a. interaction between the child and the environment is an important aspect of learning. b. direct exploration is a vital element in early education. c. children pass through a series of cognitive stages as they mature. d. children actually think differently than adults do. e. all the above statements are true. f. only a and c are true.
What does a percentile rank of 75 mean?
a. 75% of the items were answered correctly by the student. b. 75% of the group tested had the same score as the student. c. 75% of the group tested did better than the student. d. 75% of the group tested did poorer than the student.
According to the text, what is one reason an ‘opportunity gap' persists today between White and non-White students and between students from poor and rich families?
a. Teachers are not being held accountable b. Schools have become to large c. Students in poverty have less access to high-quality curriculum d. Multicultural education has not been widely accepted