Exam 2: Research Methods in Psychology

A psychologist monitors changes in the subject's heart rate as the subject watches a violent movie.The data collection technique being used is

Dr Ebrahim wants to study attachment patterns in single-parent families.The first step in her scientific investigation would be to

A researcher who is conducting an opinion survey asks viewers who are watching a political debate to dial a 0-800 number and record their opinion to the "question of the day." In this case the researcher is likely to have

Descriptive/correlational research methods broaden the scope of phenomena that psychologists are able to study.

Inferential statistics help us determine whether ____ played a role in an experiment.

Your grade point average is an example of which measure of central tendency?

Dr Ahmed predicts that people will act more aggressively during the heat waves of summer than they will during the cold spells of winter.This suggests that Dr Ahmed believes that temperature and level of aggression are

Publication of research findings is extremely important to the scientific method because

Salma is a graduate student who is observing children playing together after watching a film.She knows that some children saw a film that contained graphic scenes of violence and some children saw a non-violent film, but she doesn't know which film each child she is observing watched.In this case, Salma is recording data for

In order to generalise from a sample to the larger population, the sample must include at least 5% of the population under investigation.

Placebo effects and experimenter bias both show that personal experience can be ____________________.

If we were to measure the height and weight of 100 adult women, we would find that these two measures are

The principal disadvantage of the descriptive/correlational research method is

IQ score, age, weight, grade point average, and income are all examples of

When clinical psychologists do case studies of their clients for diagnostic purposes they are conducting empirical research.

When research results are said to be statistically significant it means that

A correlation between two variables exists when scores on one variable

Describe why scientific research methods are important to psychologists.

In psychology, the best research method to use to develop a cause-and-effect explanation is the correlational method.

Manipulating a variable under carefully controlled conditions and observing the changes in a second variable defines