TRUE or FALSE. A research study conducted on university students may not generalize to the entire population. We would say this study lacks internal validity due to maturation differences.
a. True
b. False
Ans: b
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What is the most common response in these data?
A marketing researcher for a toothpaste company wants to know how often on average people brush their teeth per day. He obtains a sample of adults. Their responses to his question are summarized in the following simple frequency distribution: X f 10 1 9 0 8 0 7 3 6 3 5 0 4 4 3 3 2 8 1 2 0 1 Use this grouped frequency distribution to answer the following questions:
Which type of research method was used first in education?
a) Interview research. b) Recording research. c) Qualitative research. d) Quantitative research. e) Descriptive research.
When teacher or group asks for supervisor's suggestion, the supervisor should
a. remember that time is essential to the conversation. b. give feedback at the beginning of the conference or meeting. c. provide ongoing recommendations to the group. d. refrain completely from giving one's own ideas.
Answer the following statement(s) true (T) or false (F)
Statistical significance is the same as practical significance.