Module 9 : Intro to psychological research and method

Case study

individual

Field study (naturalistic)

Observes in normal setting

Survey

large group attitudes, practices, opinions

Experiment

controlled study with variables

Correlational

does A have any relationship to B? How much? How consistently

Quasi-experimental

when you can't use variable or control group => everyone gets same treatment

Experimental

is B caused by A? (use of randomly selected control group, variables manipulated)

A certain researcher studied Stephanie's development of mathematical proof and justification from grade 1 through grade 5 by collecting videotapes, portfolios, notes, student interviews, and small-group evaluations of Stephanie over the five-year period. This type of study is referred to as

A case study

A school nurse wants to know whether children's knowledge about nutrition increases over the course of the elementary years. To find out, she gives a test about nutrition to students in the first, third, and fifth grades. She then compares the test scores for the three grade levels. Which one of the following research designs does the nurse's study best reflect?

Cross-sectional design

Which of the following illustrates a correlation?

Ms. Ortiz notices that the more library books students check out, the higher their grades.

Inferential

math calculates possibility of cause/effect

Nonparametric

math for non-bell curve population

Cross-sectional

how do subjects act/think/behave at a certain moment in time

Longitudinal

how does time/maturation affect the variable you are studying?