psychology Crossword

the orderly, systematic procedures that researchers follow as they identify a research problem
a single individual or small number of persons are studied in great depth
a part of a population that is studied in order to reach conclusions about the entire population
a descriptive research method in which researchers use interviews and/or questionnaires to gather information
a prediction about a cause-effect relationship between two or more variables
An inert or harmless substance such as sugar pill or injection of saline soulotion
A group of people that have had the same environment but was not given the treatment, to compare
the numerical value that indicates the strength and direction of the relationship between two variables
When a participants response to a treatment is due to their expectations about the treatment, rather than the treatments actual effects
a group of participants who are exposed to the independent variable
when participants are assigned to experimental or control groups in such a way that the systematic differences among groups are present at the beginning of the experiment