Ch 4.4-4.8 Quiz

Give one example of an ethical issue researchers need to consider when conducting experiments. 

• Take regular tea breaks 
• Being able to get a large sample size
• Gain informed consent
• Make sure the study is reliable 

Tags

CCSS.RL.5.6

This part of the experiment serves as a baseline for comparison.

• experimental group
• control group
• data
• variables

These are variables that can potentially distort the relationship between the explanatory and response variables.

• confounding variables

• confusing variables

• constructing variables

• extraneous variables

Tags

CCSS.7.SP.B.3

Experiments that assign treatments to units using a chance process.

• random assignment

• stratified assignment

• block assignment

• predetermined assignment

Tags

CCSS.HSS.IC.B.3

an experiment in which only the participants are unaware of who received the treatment

• Placebo Effect

• Double Blind

• Self-Fulfilling Prophecy

• Single Blind

a change in participants illness or behavior that results from a belief that the treatment will have an effect rather than from the actual treatment

• Placebo Effect

• Self-Fulfilling Prophecy

• Longitudinal Study

• Control Group

Tags

CCSS.HSS.IC.B.3

Mr. Payne randomly assigned half of his AP Computer Science students to study for 3 hours, and the other half to study for 6 hours.

• Because he randomly assigned students, he can make assumptions about the entire class.

• Because he randomly assigned students, he can assume causation.

• Because he did not randomly assign students, he can assume causation.

• Because he randomly assigned students, he can only assume correlation but not causation.

Tags

CCSS.HSS.IC.B.3

What kind of experiment is shown in the picture?

• Block Design

• Completely Randomized Design

• house design

• Sample design

Tags

CCSS.HSS.IC.B.3

A scientist hypothesizes the the temperature at which an alligator's egg is incubated will determine whether the alligator will be male or female. The explanatory variable is

• the male alligators

• the incubator

• the gender of the alligator

• the temperature

To test the effects of eating breakfast on test grades. I randomly select half of my students and feed them breakfast while giving the other half nothing to eat. I then give them a test and compare the grades of each group.
 
What are the experimental units in this study?

• Students
• Breakfast
• Tests
• Test grades

Tags

CCSS.HSS.IC.B.3