RESEARCH STUDY 10.2 Dr. Bloedorn Is a Health Psychologist Who Researches Nutrition. She

Multiple Choice

RESEARCH STUDY 10.2
Dr. Bloedorn is a health psychologist who researches nutrition. She is curious as to whether a new drink additive will help people consume fewer calories during a meal. The drink additive is a white, odorless, tasteless powder that a person can add to any drink. She collects a random sample of 63 overweight students on campus and measures the calories they eat during lunch, using a bomb calorimeter. She then gives this additive to the same 63 participants to use at dinner and measures how many calories they eat (again, using the bomb calorimeter) .
-Refer to Research Study 10.2 above to answer the following question. Imagine that Dr.Bloedorn finds no difference between the calories consumed with the drink additive and without.This is known as:

A) Situation noise
B) Within-group variance
C) A null effect
D) Placebo effect
E) None of the above