AP Psychology Unit 2 Review

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

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

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

Range is to median as ____ is to ____.

• variance, central tendency

• mean, standard deviation

• Skewed curve, normal curve

• mode, mean

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

Which of the following option control extraneous influences, which helps us infer cause and effect?

• random sampling

• random assignment

• placebo effect

• double blind procedure

Which of the followings is not a measure of central tendency?

• mean

• mode

• range

• median

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

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

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