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PSY 326 Week 5 Quiz (2 Set – 100% Score)
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PSY 326 Week 5 Quiz (2 Set – 100% Score)

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  • PSY 326 Week 5 Quiz 1.docx
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This Tutorial contains 2 Set of Quiz

 

 

 

Set 1

 

 

1.         Question :        ______________ assesses the degree to which our results can be attributed to our independent variables.

 

 

Question 2.      Dr. Poe is conducting an experiment in which he is examining the effect of taking tests on later memory for studied material. He has his participants study two standardized test passages.  For one of the passages, participants are given a second opportunity to study the passage, followed by a recall test.  For the other passage, they are given a multiple choice test followed by a recall test.  He finds that performance in the recall test is better for the passage for which participants were tested than the passage that was studied twice.  Which of the following best describes Dr. Poe’s study?

           

Question 3.      Dr. Washington is conducting an experiment in which he is interested in the effects of the drug alprazolam on episodic memory in adult participants.  He conducts an experiment in which he gives one group a pill containing 1 mg of the drug and a second group a placebo pill.  One hour following drug administration he has the participants study 50 words, one a time, and then asks them to recall as many of the words as possible.  What is Dr. Washington’s independent variable?

 

 

Question 4.      __________________ are mean comparisons that involve comparing only the means for which differences were predicted by the hypothesis.

 

Question 5.      ___________________ is the occurrence of a change in behavior resulting from the mere expectation that change will occur.

 

 

Question 6.      ____________________ is a criterion for judging external validity which indicates the research replicates the psychological conditions of the real world.

 

 

Question 7.      Dr. Grey is conducting a research study in which she has assigned her participants to conditions prior to the experiment.  She has flipped a coin to determine if each participant is in condition A or B until she has an equivalent number of participants in each condition.  What procedure has this investigator used?

 

Question 8.      Dr. Jefferson is conducting an experiment in which she is interested in the effects of caffeine on visuospatial ability in adult participants.  She conducts an experiment in which she gives one group a pill containing 20mg of caffeine and a second group a placebo pill.  One hour following pill administration she has the participants complete a mental rotation task.  What is Dr. Jefferson’s dependent variable?

 

Question 9.      The threat to validity known as reactive arrangements is a problem for __________.

 

Question 10.    A(n)  _____________ is the effect of each independent variable on the dependent variable, collapsing across the levels of other independent variables.

 

 

PSY 326 Week 5 Quiz

 

 

Question 1.      Sheila is a graduate student interested in how the presence of odors influences mood in adults.  She measures the mood of participants and then divides them into three groups: one is placed in room with a pleasant odor, one group is placed in a room with no odor (the air is purified with a filter), and the final group is placed in room with a very unpleasant smell. Then, Sheila measures their mood again.  Which of the following best describes her study?

 

           

Question 2.      ______________ assesses the degree to which our results can be attributed to our independent variables.

 

           

Question 3.      Dr. Grey is conducting a research study in which she has assigned her participants to conditions prior to the experiment.  She has flipped a coin to determine if each participant is in condition A or B until she has an equivalent number of participants in each condition.  What procedure has this investigator used?

 

 

Question 4.      Robert is a graduate student interested in the effects of exercise on attention.  His hypothesis is that brief exercise will improve attention performance in college aged adults.  He tests half of his participants following a 5 minute step test and the other half of his participants following a five minute period of sitting quietly.  Which of the following best describes the exercise group?

           

 

Question 5.      The threat to validity known as treatment diffusion is a problem for __________.

 

 

Question 6.      ____________are a type of order effect that occurs when participants’ performance decreases over time due to repeated testing.

 

Question 7.      A researcher is conducting a research study in which he is concerned about verbal ability differences across the conditions of his experiment.  As a result, the first participants complete a verbal learning task that ranks based on their score on this task.  The researcher then randomly assigns participants to conditions, ensuring that his groups are equivalent on this task in the end. What procedure has this investigator used?

 

           

Question 8.      Joan is recruiting participants for a research study in which she has advertised for participants interested in losing 20lbs in order to test if her new diet will be a successful tool for losing weight.  Unfortunately, her study suffers from ____________ because her participants are probably motivated to lose weight and thus different from the general population of overweight individuals.

 

 

Question 9.      Dr. Perry is conducting an experiment in which he is interested in the effects of the drug zolpidem on executive functioning in adult participants.  He conducts an experiment in which he gives one group a pill containing 10 mg of the drug and a second group a placebo pill.  One hour following drug administration, he has them complete the Wisconsin Card Sorting Task. Which of the following best describes Dr. Perry’s experimental design?

 

 

Question 10.    Dr. Madison is conducting an experiment in which he is interested in the effects of the drug lorazepam on working memory in adult participants.  He conducts an experiment in which he gives one group a pill containing 5mg of the drug and a second group a placebo pill.  One hour following drug administration, he has the participants complete the Operations Span Task.  The “placebo group” is best characterized as:

 

 

 

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