A high school principal decides to conduct a study in which she examines two chemistry classes in her high school. Her goal is to explore the effectiveness of two different instructional techniques she has become acquainted with and she will determine effectiveness through course grades. One class is taught by Ms. Howes, who will be using an instructional technique called "Chemistry Applications." The other class is taught by Ms. Moore, who will be using an instructional technique called "Chemistry In the Real World." What type of study is the principal planning on conducting? Question 19 options: A) A correlational study B) A quasi-experimental study C) A descriptive study D) A mixed-methods study
Permutations and Combinations
If there are 5 dishes, they can be relished in any order at a time. In permutation, it should be in a particular order. In combination, the order does not matter. Take 3 letters a, b, and c. The possible ways of pairing any two letters are ab, bc, ac, ba, cb and ca. It is in a particular order. So, this can be called the permutation of a, b, and c. But if the order does not matter then ab is the same as ba. Similarly, bc is the same as cb and ac is the same as ca. Here the list has ab, bc, and ac alone. This can be called the combination of a, b, and c.
Counting Theory
The fundamental counting principle is a rule that is used to count the total number of possible outcomes in a given situation.
A high school principal decides to conduct a study in which she examines two chemistry classes in her high school. Her goal is to explore the effectiveness of two different instructional techniques she has become acquainted with and she will determine effectiveness through course grades. One class is taught by Ms. Howes, who will be using an instructional technique called "Chemistry Applications." The other class is taught by Ms. Moore, who will be using an instructional technique called "Chemistry In the Real World." What type of study is the principal planning on conducting?
Question 19 options:
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