Researchers often gain useful information from observation of children and adolescents. Three of the following suggestions are likely to improve the quality of observational data. Which one is unlikely to do so?
a. Keep a detailed record of what you see.
b. Discuss your observations with other researchers.
c. Carefully define the behaviors you want to categorize.
d. Begin data collection almost as soon as you enter the research setting.
D
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Teachers may be able to better reach children when using the culturally familiar content and contexts that act as bridges to school knowledge and skills
a. True b. False
The fourth “c” of hardiness that has recently been added refers to
a. coherence. c. connectedness. b. cooperation. d. calmness.
Split the data according to the sport. Run a Kolmogorov–Smirnov test on the diastolic blood pressure data. Which group’s data cannot assume a normal distribution?
A. Football B. Hockey C. Rugby D. All three are normally distributed.
Within the A 
B design, how many different degrees of freedom are calculated to test the main and interaction effects?
a. 1 b. 2 c. 3 d. 4