The technique to improve internal validity is D) Addition of a control group.
<h3>What is
internal validity?</h3>
Internal validity serves as the study which bring about the establishment of a trustworthy cause-and-effect relationship that can be found in treatment and an outcome.
it should be noted that Internal validity also helps to eliminate alternative explanations , hence, The technique to improve internal validity is D) Addition of a control group.
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COMPLETE QUESTOIN:
Which of the following is a technique to improve internal validity ____________?
A) Experimenter expectancy
B) Participant bias
C) Use of a confederate
D) Addition of a control group
Answer:
750
Explanation:
<em>I'm gonna make my best effort here... (it's been a long hecking time since SAT math last year :P)</em>
Set both equation equal:
5x = -15x + 3000
20x = 3000
x = 150
Plug into any equation because both are equal anyway:
y = 5x
y = 5(150)
y = 750
(a, b) --> (x, y)
The point is (150, 750) and b = 750
Fine the mean, median, and mode/s of the data. 2, 8, 10, 12, 56, 9, 5, 2, 4.
Anna35 [415]
Mean: 12, Median: 5, Mode: 54
2/3 miles
------------
1/3 hour
copy dot flip
2/3 * 3/1
2 miles per hour is the unit rate
Answer: 2 miles per hour
Yes it is right that smartbook 2.0 allows you to start your active learning experience by either reading or by jumping right in to start answering questions.
Given that smartbook 2.0 allows you to start your active learning experience by either reading or by jumping right in to start answering questions.
We are required to tell the whether the statement about smartbook 2.0 is right or wrong.
SmartBook 2.0 basically creates a baseline of student knowledge and focuses their time on knowledge gaps.SmartBook 2.0 also helps students better understand what they know and what they don't know.
So,it is right in saying that smartbook 2.0 allows you to start your active learning experience by either reading or by jumping right in to start answering questions.
Hence it is right in saying that smartbook 2.0 allows you to start your active learning experience by either reading or by jumping right in to start answering questions.
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