A researcher finds that the number of positive ranks is 13 and the number of negative ranks is 4 using a sample of 17 participants. Based on these data, what is the decision for a related-samples sign test at a .05 level of significance?
A. retain the null hypothesis
B. reject the null hypothesis
C. there is not enough information to answer this question
Ans: B
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Answer the following statement(s) true (T) or false (F)
1. After their basic needs for food, sleep, and shelter are met, people are next most concerned with meeting their need for self-esteem. 2. When a teacher humiliates a student in class, the teacher is most directly overlooking the student’s need for power. 3. Ensuring that expectations are high but attainable is a way to address students’ need for competence. 4. Darian is regularly ready for class when the period starts, with all materials collected, book open, giving attention to the teacher. Darian has developed a habit. 5. When the teacher attends to students’ wants, not just their needs, students’ behavior is likely to improve.
Lev Vygotsky believed that play aids in cognitive development by providing a bridge between what children already know and what they are learning with the assistance of a more experienced player
a. True b. False
Laissez-faire leaders ______.
a. encourage communication between group members and with the leader b. engage in minimal influence over followers c. give objective praise and criticism of workers d. encourage communication between group members and with the leader and give objective praise and criticism of workers
"High horse power, poor steering," is a common phrase describing adolescent brain maturity. Which of the following behaviors best illustrates the meaning behind this saying?
a. Hansen had never skipped class before, but decided it was worth skipping to spend the day on the lake with two buddies. b. Sophie studied harder and longer than usual and really wanted to ace the chemistry test, but she didn't study the lab material. c. Carrington studied every day for the physics exam and felt good about his preparation, but his anxiety overwhelmed him when he started taking the test. d. DeLinda wanted to go to the football game on Friday night, but she decided to go to a movie with her dad instead.