Exam 2: Research Methods in Psychology

Helen conducted a study in which she measured the response time for males and females to complete a spatial task. She found that the mean response time was 1.48 minutes for males and 1.63 minutes for females. For Helen to be confident that an actual difference exists between the males and females in her study, she must

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

Which of the following is NOT a criticism of using animals in psychological research?

Bill received a poor performance evaluation in his job last year. Since then Bill has started working through his lunch hour, has taken on four special projects, and has enrolled in night classes to upgrade his computer skills. If Bill receives a better evaluation at his next performance it will be hard for him to figure out why because

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

A group of researchers wants to determine if people are more likely to follow directions if the person giving the directions is in a uniform. Half the participants are directed to a parking spot by a uniformed security guard, the other half are directed to a parking spot by an individual wearing blue jeans and a t-shirt. In this study, the dependent variable would be

A researcher wants to see if a protein-enriched diet will enhance the maze-running performance of rats. One group of rats is fed the high-protein diet for the duration of the study; the other group continues to receive ordinary rat chow. In this experiment, the rats' maze-running performance is the

What are the three goals of scientific enterprise in psychology?

Conclusions concerning cause and effect relationships are only possible when the ____ method is used.

Mothusi Ramaphosa, Jr. took part in a study on sexual deviance last year. He was somewhat dismayed when he read an article in a weekly journal discussing sexual deviance in which one patient was referred to as MRJ. Although the article claimed all names had been disguised to protect personal identities, Mothusi is convinced he is the individual described in the article. In this case, it is possible that the researchers who conducted the study violated the ethical principle of

Precious believed that there are gender differences in driving habits. To test this assumption she stood near a quiet intersection. Precious recorded the gender of each driver who approached a stop sign, and also whether the individual came to a complete stop before proceeding into the intersection. Precious is conducting

How much the scores in a data set vary from each other and from the mean refers to the concept of

In experiments, placing subjects in experimental groups such that each subject has an equal probability of ending up in any experimental group is referred to as

When a researcher's expectations or preferences about the outcome of a study influence the results obtained it is referred to as

Describe some of the reasons for using animals in research.

To determine whether students would like more courses scheduled in the late afternoon and evening hours, the Student Support department sends questionnaires to 50 students selected at random from the 5,000 who are registered at the campus. In this instance, the 5,000 students who are registered at the campus would be

If A and B are highly correlated, which statement MOST accurately describes the relationship between A and B?

One is most likely to encounter problems with the social desirability bias when using

Dr Khoza was interested in the topic of autistic savants (individuals with limited abilities in many areas, but with an exceptional talent in one specific area). In the initial part of the investigation Dr Khoza carefully observed and compiled detailed files on three individuals who were autistic savants. Dr Khoza is conducting

The score that falls exactly in the center of a distribution of scores, such that half the scores fall below that score and half the scores fall above it, is the