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- 1. Multiple Choice
Mr.Anderson wants to conduct an experiment with 30 of his students to see how does music affect student's memory. Which of the following is the best way to select his students for the experiment?
Pick 30 students that he feels are the best for the experiment
Send out an invitation to his favorite class, and the first 30 students that accepted the invitation will be a part of the experiment
Pick the first and last 15 students in the alphabet
Give each student name a number and use a number generator to select the students
- 2. Multiple Choice
Which of the following is a true statement?
Hypothesis produce theory
Theory produce hypothesis
Correlation prove causation
Random sampling is the same as random assignment
- 3. Multiple Choice
Which of the followings is a positive correlation?
Jennie gains more muscle after she loses weight
As the temperature increases, people tend to go to the beach more
As Devin studies less, he achieves lower grades
When the price goes up, people are less likely to buy it
- 4. Multiple Choice
Range is to median as ____ is to ____.
variance, central tendency
mean, standard deviation
Skewed curve, normal curve
mode, mean
- 5. Multiple Choice
Which of the following is not one of the 6 ethical guidelines?
Researchers must keep the participants' identity confidential
Participants are allowed to withdraw at any moment during the research
Researchers must debrief the participants about the true nature of the study after the study is done
Researchers must never deceive the participants during the research
- 6. Multiple Choice
Which of the following option control extraneous influences, which helps us infer cause and effect?
random sampling
random assignment
placebo effect
double blind procedure
- 7. Multiple Choice
Which of the followings is not a measure of central tendency?
mean
mode
range
median
- 8. Multiple Choice
Allan is conducting an experiment about the effect of light on plant's growth. For his experiment to be statistically significance, the p value has to be what?
>5%
<5
<5%
>0.5
- 9. Multiple Choice
A belief that infertile couples become more likely to conceive a child after adopting a baby is best considered to be what?
Hypothesis
Theory
Hindsight bias
Illusory correlation
- 10. Multiple Choice
A researcher wants to know how different types of teaching style affect student's test score. What method should be used?
Naturalistic observation
Experiment
Case Study
Survey
- 11. Multiple Choice
After hearing the news that her school's football team lost the game, Amy told her friends that she knew it all along, and that she just didn't want to tell them. Amy best demonstrates which of the following option?
Skepticism
Humility
Overconfidence
Hindsight Bias
- 12. Multiple Choice
True or False: Something has a negative correlation if the correlation coefficient is close to 0.
True
False
- 13. Multiple Choice
Which research method can gather a lot of data in a short amount of time?
Experiment
Survey
Case Study
Naturalistic Observation
- 14. Multiple Choice
There is a positive correlation between reading books and IQ scores. What can we properly conclude from this statement?
We can conclude that reading books does improve children's IQ scores.
We can conclude that this is a false statement.
We cannot conclude that reading books does cause IQ scores to increase.
We can conclude that as children read more books, their IQ scores decrease.
- 15. Multiple Choice
In an experiment, the group that receives a placebo is called a ________.
Control Group
Experimental Group
Placebo effect
Double-blind procedure
- 16. Multiple Choice
How many percent of people fall within 1 standard deviation on either side of the mean on a normal curve?
34%
13.5%
95%
68%
- 17. Multiple Choice
which of the following is a strength of correlational research method?
It requires only one participant.
It specifies cause and effect.
It works with large groups of data.
All the variables are controlled.
- 18. Multiple Choice
Which of the following best demonstrates a double-blind procedure?
Neither the research staff nor the participants know who is getting the treatment.
Only the research staff know who is getting the treatment.
Only the participants know who is getting the treatment.
Both the research staff and participants know who is getting the treatment.
- 19. Multiple Choice
True or false: Hindsight bias and overconfidence illustrate why we cannot rely on intuition and common sense.
True
False
- 20. Multiple Choice
Which of the following is a weakness of an experimental research method?
Does not specify cause and effect.
No control of variables.
Sometimes it is not ethical to manipulate certain variables.
Single case may be misleading.
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