1. Data from a sample of high school students was collected on different approaches to teaching. For a science class, the students were placed in the lecture only, lecture–lab, or all-lab approach. Students were randomly assigned to each of the three sections and at the end of the term, they were to rate the effectiveness of each type of course. Given the data below, calculate the F ratio. Include the null and alternative hypothesis, the SSWG, SSBG, the SST, degrees of freedom within, degrees of freedom between, SS/dfWG, and the SS/dfBG.
What will be an ideal response?
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Generally speaking, what is the typical value of "trace evidence" in fatal child maltreatment cases?
A. Trace evidence is critical to the investigation. B. Trace evidence is usually not available but is valuable. C. Trace evidence is far less value than it might be in other crimes. D. Trace evidence is as valuable as other evidence.
Members of the control group feel deprived of something that they consider of great value -especially when they recognize the experimental group has access to the thing of value - illustrates what threat to internal validity?
A self-fulfilling prophecy occurs when a youth receives negative feedback from significant others, the youth interprets this feedback as accurate, and his or her behavior conforms to this negative expectation
a. True b. False Indicate whether the statement is true or false
Burgess suggested that cities grow in patterns from the ________
A) edges moving outward B) edges moving inward C) center moving outward D) center moving inward