A researcher pretests a group of subjects on their eighth-grade math skills, and then teaches them...
A researcher pretests a group of subjects on their eighth-grade math skills, and then teaches them (the treatment) a new way to solve simple equations. The posttest is administered, and there is an increase in the number of correct answers. What's the most likely threat to internal validity here?
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History |
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Maturation |
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Regression |
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Testing |
Homework Answers
Answer : Maturation
As the students are taught they also become mature over time and get to know about how to solve such questions.
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A researcher pretests a group of subjects on their eighth-grade
math skills, and then teaches them...
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1. The pretest-posttest nonequivalent control group design is also very commonly used in psychology. Which of the following is NOT a benefit of using this design when random assignment is not possible...
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A research study is conducted where 15 participants complete a 12-week control period followed by a 12-week exercise intervention. What type of research is this? True experimental Correlational Pre-experimental Quasi-experimental Question 2 (1 point) ✓ Saved What type of research collects fairly unstructured data via interviews and focus groups? Quantitative Qualitative Which type of research is attempting to establish the presence/absence of "cause- effect"? Correlational Descriptive Experimental Historical Question 4 (1 point) ✓ Saved When considering the threats to internal...
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TEST 1: ANSWERS INTS EACH). This section takes around 5 minutes. Name Spring 2019 8) A researcher wants to determine whether female teachers give higher or lower grades, on average, then male teachers. She picks a random sample by picking a random sample of schools, in the schools picked, picking a random sample of departments, and in the departments picked, picking a random sample of teachers. What kind of sampling was performed? d) voluntary response e) cluster b) stratified Random...
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Using the book, write another paragraph or two: write 170
words:
Q: Compare the assumptions of physician-centered and
collaborative communication. How is the caregiver’s role different
in each model? How is the patient’s role different?
Answer: Physical-centered communication involves the specialists
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