Author Question: Dr. Malloy is working on a study where he is interested in measuring age differences in ... (Read 87 times)

moongchi · **on:** Jun 20, 2018

Dr. Malloy is working on a study where he is interested in measuring age differences in problem-solving behavior across the lifespan.

To conduct this study, he brings into his laboratory a group of 5-year-old children, measures the subjects' ability to solve a number of word problems, and asks these same subjects to return to his laboratory once every 5 years for the next 20 years so that he can remeasure their performance on similar tasks. It appears as though Dr. Falcone is carrying out a

a. longitudinal design.
b. cross-sectional design.
c. a true laboratory experiment with a high degree of internal validity.
d. naturalistic observational design.

Question 2

In a study on memory, Professor Roberts randomly assigns his subjects to one of two different groups: a group that is given 10 minutes to study a list of spelling words, and a second group that.

while treated identically to the first group, does not receive a 10-minute study session. Following this, a spelling test was given to both groups to assess the level of spelling mastery. In this example, the first group would be considered the __________, while the second group would be considered the __________.

a. experimental; control
b. control; experimental
c. experimental; quasi-experimental
d. quasi-experimental; control