1) Three of the following four things have something in common

Subject:ManagementPrice:5.87 Bought7

Share With

1) Three of the following four things have something in common. Which does not belong with the other three?

2.            How does one describe a distribution that has many more high scores than low scores?

3.            What is the mode(s) for the following set of numbers? (5, 10, 4, 1, 5, 12, 8, 9, 4)

4.            A main disadvantage of nonparametric technique that has frequently been stated (although there is some disagreement with this claim) is that they

5.            If ANOVA has found a significant difference among four treatment groups, a post-hoc analysis is needed to determine

6.            Why are standard scores so important?

7.            Which of the following is a characteristic of ordinal scale measures?

8.            Validity is determined by finding the correlation between scores on

9.            Between what limits can the Pearson product moment coefficient of correlation vary?

10.          The term that describes the position of the hump in the curve of a distribution is

11.          If a thermometer measured the temperature in an oven as 400 five days in a row when the temperature was actually 337, this measuring instrument would be considered

12.          Data such as gender, city of residence, or political party affiliation are what kind of measure?

13.          The standard deviation represents the

14.          Which of the following is a characteristic of ratio scale measures?

15.          A null hypothesis is

16.          Comparing test items with the course objectives (course topics) checks which type of validity

17.          A researcher finds a correlation of .70 between popular ratings and self- concept scores. What percentage of common association can be inferred between the two variables?

18.          If two measures have a high positive correlation, and a person has a low score on one measure, her score on the other measure is most likely to be

19.          If the researcher fails to reject the null hypothesis when there really is a difference, this is an example of a

20.          When the purpose of the research is to determine the effects of one independent variable (e.g., four groups) on one dependent variable (e.g., self- concept), the best choice of statistical analysis is

21.          Prediction studies use which of the following as the basic analysis technique?

22.          In order to make statement such as 8 units is twice as much as 4 units, what level of measurement required

23.          A statistical technique that tests for significant differences between observed and expected frequencies of occurrence is

24.          A physical education teacher develops a skill test in volleyball. After administering the test to 50 students, she asks the volleyball coach to rate the students on volleyball skills. She then correlates the students’ test scores with the coach’s rating. This is an example of what type of validity?

25.          Oxygen uptake capacity measured in liters per minute is an example of which type of measurement?

26.          Which of the following is not affected by the value of every score in the set on which it is calculated?

27.          If a researcher finds a small difference in average test scores between a large sample (over 700) of experimental participants and a large sample (same size) of control participants, it is very likely that the difference is?

28.          In multiple regression, one is able to predict…

29. When a researcher states that a result is significant, this means that…

30. If there is a negative relationship between two physical measures…

31. Which hypothesis is stated in the null hypothesis?

32. The shape of a scatterplot you would expect between the shoe size and performance in a graduate statistics class would resemble…

33.          A correlation of .00 between two variables indicates

34. The sum of the deviation scored from the mean will always be zero…

35. Another term for the mean is the…

36. To determine whether data are normally distributed, one can test to see whether the curve is shifted to the left or right. This shift is called…

37. A measure of the meaningfulness that expresses the difference between the experimental and control group in standard deviation units is the

38. Lining students up according to height without actually measuring height represents what level of measurement

39. If a correlation coefficient is 1.15 is found, this would indicate

40. Four skills tests are tried as predictors of success in a tennis class. Each test correlates with later success as follows: test A, r= .27; test B, r= -.90; test C, r= -.40; test D, r= .65. The test that will most accurately predict success is…

41. For a study with two (or more) independent variables, such as type of instruction and sex, and one dependent variable, such as achievement, the most appropriate analysis technique is…

42. What is the median score for the following set of numbers? (3, 11, 8, 13, 5 , 3, 6)...

43.          If there is a correlation of .80 between a test of scholastic aptitude and performance on an achievement test, one can infer that…

44. A threat to the validity of rating scales is that the rater may tend to let her previous knowledge of the student in another capacity (e. G., another course) influence the rating. This threat is called the…

45. The accuracy with which a 12-min run estimates maximal oxygen consumption is in a group of male high school senior represents…

46. The correlation between X and Y is .90. What can be said with certainty about Y in relation to X?

47. Reliability of a measure may be established by…

48. A teacher wishes to determine the reliability of three trials on a performance test. He uses ANOVA to obtain the reliability coefficient. This technique is called…

49. Which of the following correlation coefficients reflects the greatest linear relationship?

50. The property of a distribution of scores that relates to how peaked or flat the curve is called