Exam 2: Research Methods in Psychology

__________ is the process of evaluation of the soundness and quality of study carried out by a group of experts in the field. Only after this process a study can be published and its findings shared.

Which of the following is the most reliable measure?

Dr Forster created a new questionnaire to measure customers' satisfaction towards a brand-new technological product. He is running some further analyses to make sure that his questionnaire is truly measuring what is intended. What is Dr Forster assessing?

With respect to 'sampling bias', which of the following statements is INCORRECT?

fMRI has very high __________ resolution but poor __________ resolution. On the other hand, EEG has high __________ resolution and relatively poor __________ resolution.

Recall the levels of analysis described in Ch. 1 of your text. If you were sympathetic to the notion that psychology should limit itself to clearly observable phenomena, on which level of analysis might you concentrate?

Dr Brown is investigating the effect of different types of beverages on students' performance on a memory task. She randomly allocates 200 university students into three groups. Thirty minutes before the task, she asks Group A to drink 30ml of black coffee, Group B to drink 30ml of orange juice and Group C to drink 30ml of Coke. Group B is:

Time-sampling technique is used in observational research and consists of sampling participants at given time intervals.

List at least four ways thorough which scientific knowledge can be disseminated.

One of the advantages of factorial designs is that by adding more conditions to an experiment is possible to look at possible __________ between variables.

What is the weakest form of validity assessment? Why?

Observer bias is a risk when employing observational methods. Which of the following practices is used to address this potential issue?

Which of the following is not a characteristic of qualitative research methods?

In experimental designs a researcher has control over one or more variables.

What type of experimental design is Dr Brown using?

Transport for London (TfL) recently conducted a study to decide whether introducing a new rule imposing passengers to stand on the escalators was the best way to decongest passengers' traffic in some of the busiest underground stations during peak hours. Measurements of traffic were taken in Holborn and Bank stations for 6 months before introducing the new rule and for 6 months afterwards. Results showed a difference in capacity between pre- and post-intervention: the 'standing-only' escalators were able to carry an average of 151 passengers per minute, compared to 115 on the 'walking' escalator, where people were both walking and standing. TfL used a(n):

Which of the following is not a disadvantage of Solomon four-group design?

Sampling bias creates a nonrepresentative sample.

In pre-test/post-test designs there is no need for random allocation of the participants.

One of the ways to minimize order effects in repeated measures designs is __________ the order in which conditions are given.