An education researcher was interested in examining the effect of the teaching method and the effect of the particular teacher on students' scores on a reading test.
In a study, there are four different teachers (Juliana, Felix, Sonia, and Helen) and three different teaching methods (method A, method B, and method C). The number of students participating in the study is 258. Students are randomly assigned to a teaching method and teacher. Identify the response variable.
A) Teacher B) Teaching method
C) Score on reading test D) Method A, method B, method C
Question 2
In a poll, respondents were asked whether they had ever been in a car accident. 469 respondents indicated that they had been in a car accident and 148 respondents said that they had not been in a car accident.
If one of these respondents is randomly selected, what is the probability of getting someone who has been in a car accident?
A) 0.002 B) 0.24 C) 0.76 D) 3.169
A hypothetical example of the bottleneck effect.
The Greenhouse Effect
Patient education
The twin method can be used to investigate genetic and environmental influences on the development o
Effect of the activation energy barrier.
Race-Ethnicity and Education