2.4 complete - AP Psychology

An instructor conducted an experiment to determine the effects of two different methods of encoding on the amount students learned in introductory psychology. The results showed that the average amount learned by the group using one encoding method was greater than the average amount learned by the group using the other encoding method. However, the difference was not statistically significant. Which of the following is the most appropriate conclusion to be drawn?

• The group of students attaining the higher mean score had studied more than the other group.

• The better study method will have different effects for students of varying levels of ability.

• There is a positive correlation between the results of the two methods.

• There is a possibility that the difference between the two groups occurred by chance.

A person assembling a tool one week after reading the instructions can remember the first and last steps of the procedure but not the middle ones. This best illustrates which of the following?

• Encoding failure

• Retrograde amnesia

• Repression

• The serial position effect

A cognitive psychologist is interested in examining whether the type of math class is related to the effectiveness of a new study strategy. Which of the following scattergrams represents the data as depicted in the data set?

• Scattergram A

• Scattergram B

• Scattergram C

• Scattergram D

Which scatter plot best represents a positive correlation between Test Score for Statistics and Semester Average for Algebra?

• (A)

• (B)

• (C)

• (D)

Cassidy can only remember the titles of the first few books her teacher told her to get from the library. Which of the following concepts would best explain Cassidy’s experience?

• Zone of proximal development

• Insight learning

• The misinformation effect

• The primacy effect

Cesar is participating in a memory competition. He must memorize a long, novel string of numbers in 60 seconds, then try to recall them immediately without missing or misplacing any numbers. Which strategy should Cesar use?

• Fixed mindset

• Chunking

• Spacing

• Tip-of-the-tongue phenomenon

According to the graph, which presidents had the highest percent recall?

• Washington

• Lincoln

• Kennedy

• Clinton

Fill in the blank: The percent recall for Kennedy was ______ compared to Washington and Clinton.

• lower

• higher

• equal

• unknown

The teacher noticed that the afternoon class recalled more presidents than the morning class did and concluded that this was caused by time of day. Which of the following is a confounding variable?

• The size of the school

• The grade level of the students

• The type of test used

• The attitude of the teacher

The results depicted in segment A are consistent with

• the Stroop effect

• the primacy effect

• the recency effect

• a negatively skewed distribution