Question: A correlation coefficient of .65 between communication competence and relational satisfaction means that there is a ______ relationship between these variables, such that as communication competence ______, relational satisfaction ______.
Answer Choices: A. Positive, increases, increases
B. Negative, increases, decreases
C. Negative, increases, increases
D. Positive, decreases, decreases
Answer: A. Positive, increases, increases
Question: Given that most values are at the high end of the distribution, this variable (AE 8 scores), would be described as:
Answer Choices: A. A normal distribution
B. Negatively skewed
C. Positively skewed
D. Platykurtic
Answer: B. Negatively skewed
Question: A study examining communication of the love languages (words, gifts, time, touch) among college students was interested in whether certain love languages were more or less preferred. What is the H₀?
Answer Choices: A. Types of love languages among college students differ.
B. Certain love languages are more preferred among college students.
C. Certain love languages are less preferred among college students.
D. Differences do not exist in types of love languages among college students.
Answer: D. Differences do not exist in types of love languages among college students.
Question: A correlation coefficient is a numerical indicator that tells how much of the variance in one variable is associated, explained, or determined by another variable.
Answer Choices: A. True
B. False
Answer: A. True
Question: A variable distributed with a high cluster of scores on a given value would have a high peak in comparison to a normal curve. This distribution would be labeled:
Answer Choices: A. Positively skewed
B. Negatively skewed
C. Leptokurtic
D. Platykurtic
Answer: C. Leptokurtic
Question: Chi-square is used if the variable is ______; a t-test is used if the variable is ______.
Answer Choices: A. interval/ratio; nominal
B. categorical; nominal
C. interval/ratio; continuous
D. nominal; interval/ratio
Answer: D. nominal; interval/ratio
Question: Correlations violate which requirement for causation to be established:
Answer Choices: A. IV and DV must covary in a meaningful way
B. IV must precede DV in time
C. Observed change in DV is caused by IV, and nothing else
D. Both B and C
Answer: D. Both B and C
Question: A distribution with a few extreme high values (such as income) is said to be:
Answer Choices: A. Positively skewed
B. Negatively skewed
C. Spurious
D. Normally distributed
Answer: A. Positively skewed
Question: Each of the following is true about a perfect normal distribution except:
Answer Choices: A. It is bell shaped
B. It is symmetrical
C. The skew is accounted for
D. The mean, median, and mode are equal
Answer: C. The skew is accounted for
Question: After analyzing some data that you have collected, you find that as number of hours of work decreases, face-to-face communication eagerness decreases, which means there is a/an relationship between these variables.
Answer Choices: A. Unrelated
B. Positive
C. Nonlinear
D. Negative
Answer: B. Positive
Question: What is true regarding the following hypothesis: Relational satisfaction and self-disclosure are positively related.
Answer Choices: A. One-tailed
B. Two-tailed
C. H₀
D. Both A and C
Answer: A. One-tailed
Question: When evaluating the strength of a coefficient of determination, its range can be from:
Answer Choices: A. -2.0 to +2.0
B. -1.0 to +1.0
C. 0.0 to +1.0
D. Coefficients of determination do not indicate strength only direction
Answer: C. 0.0 to +1.0