What should you do when you decide you need to learn more about a topic? Check all that apply. consider what I already know about the topic
find one biased source of information
decide what I need to know more about
come up with an idea for an argument or opinion if necessary
create a presentation based on what I already know

this null effect is caused by a weak manipulation and ineffective internal validity. in a scientific study, as the one dr. morimoto is trying to perfom, internal validity refers to the confidence placed in the cause-effect relationship and to how well an experiment is done and able to eliminate confounding variables.        

intimacy, passion and commitment are the components of a interpersonal relationship emphasized in the triangular theory of love by robert sternberg.

the triangular theory of love says love can be comprehend as this componest form the vertices of a triangle.  

intimacy relates to feelings such as of closeness and connection;

passion relates the drives that brings people together, as physical attraction.

commitment relates to the being in a long-term relationship.

i am confused, what is the question? i can you out if you put it into more depth.