Methods Week 2 - Research Claims (2/2)

Lec02 slide 30

what are the three requirements for experimenting on causality?

• covariance

• temporal precedence

• no alternative explanations

How do you test of temporal precedence?

manipulate the IV then measure DV

what are three ways to ensure there are no alternative explanations in your experiment?

• random assignment

• control group

• statistical analysis

what is a primary article?

presents new, original data from firsthand research

ex. clinical trials, experimental studies, longitudinal studies ect.

still includes looking at past research and finding something completely new

what are secondary articles (give examples)

summarize and analyze existing research

examples:

• literature reviews: discussing research papers in one topic during a period of time

• meta-analyses: provides literature reviews but re-analyzes the articles

• media articles:

• textbooks