Sampling and Inferential Statistics (Quiz Only)

Why are university students like Risse and Connor often encouraged to participate in psychological research?

• To improve their grades

• To gain firsthand experience in research

• To fulfill a course requirement

• To avoid other assignments

Why are professors like Dr. Kaylee and Dr. Lia eager to have students like Sanique and Brianna participate in research studies?

• To reduce their own workload

• To provide students with practical research experience

• To increase the university's funding

• To ensure students pass their courses

What is a potential problem with drawing conclusions from research on university students like Tamin and Alysa?

• The conclusions may not apply to the entire human race

• The data collected is often inaccurate

• The sample size is too large

• The research is too expensive

What is the issue with trying to determine the typical mass of a living adult human being?

• It is impossible to weigh every adult human on the planet

• There is no way to define "typical"

• The data is too complex to analyze

• The resources required are too expensive

In the context of studying university students, what would be considered the sample?

• The entire human race

• The group of students tested

• The average mass of an adult human

• The data collected from the research

Madeline and Thomas are conducting an experiment. What is one of the most important concepts in experimental design mentioned in the text?

• Randomness

• Precision

• Accuracy

• Consistency

Tags

NGSS.MS-ETS1-3

NGSS.MS-ETS1-4

Why is it difficult for Brianna and Emily to generalize conclusions from a sample to the entire population?

• Because the sample is always too small

• Because we can't be 100% certain without testing the entire population

• Because the sample is always biased

• Because the sample is always too large

Risse and Brianna are conducting a survey in their school. What is required for their sample to be truly random?

• Every member of the population must have an equal chance of being selected

• The sample must be large

• The sample must be small

• The sample must be selected by experts

Connor and Joella are conducting a survey for their class project. What is the problem with selecting a sample that is not perfectly representative of the population?

• It may lead to incorrect conclusions

• It is too expensive

• It takes too much time

• It is too difficult to analyze

What is the consequence of Odeisha and Kiera not knowing much about the population already?

• We may not be able to make our sample perfectly representative

• We will always get the same results

• We will not be able to conduct the experiment

• We will always get accurate results