Match the following: part aa. a social psychologist spends the afternoon at the mall and unobtrusively records how teenagers act in groups.
b. a cognitive psychologist sends out a questionnaire to all incoming students to determine their computer skills.
c. a health psychologist randomly assigns people to do yoga in the morning, at night, or not at all. after eight weeks, people rate their overall moods.
d. a positive psychologist measures the relationship between spirituality and happiness. part b1. correlational study
2. experiment
3. self-report survey
4. naturalistic observation

The correct answer is:

"A"  - 4

"B" - 3

"C" - 2

"D" - 1

Explanation:

A) A social psychologist spends the afternoon at the mall and unobtrusively records how teenagers act in groups.

Naturalistic observation may collect behavioral data as it occurs in the natural environment. In the example, the psychologist studies the behavior of children in groups at the mall.

B) A cognitive psychologist sends out a questionnaire to all incoming students to determine their computer skills.

Self-report survey is a tool used to collect information from a large number of people in a certain study field. In this case, the specialist sends a questionnaire to his new students to determine their computer skills.

C) A health psychologist randomly assigns people to do yoga in the morning, at night, or not at all. After eight weeks, people rate their overall moods.

Experiments control an independent variable and examine the effects it carries on a dependent variable. In the example, the psychologist studies people being assigned to do yoga (independent variable) in the morning and at night and some others who didn't (dependent variable).  

D) A positive psychologist measures the relationship between spirituality and happiness.

Correlational study analyses the interaction between two subjects of study. In the case given, those subjects are spirituality and happiness.

the purpose of the heading in the passage is to identify who is telling the story.

this excerpt is part of the book sugar changed the world (2010) written by marc aronson and marina budhos. as the book has been written by two people, the heading "marc" indicates that this specific excerpt is being narrated by aronson. in the fragment, marc describes his grandfather's story after hearing it from his cousin. however, there are other excerpts where budhos is the one that tells the story of her family.

aronson and budhos, who are husband and wife in real life, decided to write sugar changed the world when they found out how sugar, which had an important role in slavery and economy, changed their ancestors' lives.

tom robinson he was a black man that was accused of raping caucasian woman, and an idealistic lawyer offers to defend him. which makes nobody believe in the innocence of a negro.