Psych - Scientific Method & Research Methods

Cause-and-effect predictions may be tested in:

Experiments

A psychologist conducts a detailed investigation of Phineas Gage, the worker who had an iron rod penetrate his brain. This is an example of

A case study

In an experiment, the _____ variable is manipulated by the researcher.

Independent Variable

An educational psychologist finds no differences in the math achievement scores of elementary school students who have, or have not, been assigned to a special math education program. What is the dependent variable?

the Achievement scores

Irina circles "strongly disagree" next to an item on a questionnaire. Irina is probably participating in a(n):

Survey

In a busy office, Meena unobtrusively records managers' behaviors when they interact with subordinates. This is an example of:

naturalisitic observation

Developing a hypothesis is the _____ step in the scientific method.

Second

The LAST step in the scientific method is:

summarize the findings and report the findings

To determine how age affects altruism three groups of participants age 18, 38, and 58 were tested. This is ______ research.

Cross-Sectional

Even if two variables are strongly correlated, it is important to consider whether there is a(n) _____ variable, an unaccounted for characteristic of participants or the environment that explains changes in the variables of interest.

confounding

Research has demonstrated that class attendance is related to higher grades. What method did the researcher use to arrive at the results?

Correlation

Participants were tested with regard to their IQ when they were 18, 38, and 58. This is ____ research.

Longitudinal

______ refers to the possibility that a researcher's experiences or expectations might skew the results. This is called:

experimenter bias

Macy has developed a prediction that children who spend 5 hours a week on social media will have poor social skills. With respect to the scientific method, Macy is working on the _____ step of the method, namely, developing a _____.

Second; Hypothesis

Simply expecting something to happen can actually make it happen. This is called:

Placebo Effect