Chapter 3

Question 1

What type of research does not have a hypothesis and instead is more interested in discovery and understanding of phenomena?
A. quantitative
B. qualitative
C. basic
D. applied

Answer 1

Qualitative

Question 2

A nonrandomized controlled trial examining the efficacy of adaptive seating for attention deficit-hyperactivity disorder (ADHD) would be classified as what type of research?
A.experimental
B.nonexperimental
C.qualitative
D.basic

Answer 2

experimental

Question 3

A study finds that the prevalence of learning disabilities is approximately 10%. This study is best classified as
a. Experimental
b. Nonexperimental
c. Qualitative
d. Basic

Answer 3

non experimental

Question 4

4. When a researcher finds that the intervention group improved significantly more than the control group, which statement below is most accurate?
   a. The findings prove that the intervention condition is more effective than the control condition.
   b. There is no difference between the intervention and control condition.
   c. The hypothesis that the intervention group will have better outcomes than the control group was supported by the findings.
   d. Clinicians can be confident that the improvement in the intervention group is clinically significant.

Answer 4

The hypothesis that the intervention group will have better outcomes than the control group was supported by the findings.

Question 5

5. A study is conducted examining the effect of use of a weighted vest on standardized test scores for children with ADHD in the classroom. While taking the test, some children with ADHD wear the weighted vest and some do not. Whether the child is in the group wearing the weighted vest or not would be considered what type of variable?
   a. Dependent
   b. Independent
   C. Control
   d. Extraneous

Answer 5

independent

Question 6

Before random assignment, a study matches participants by grade and severity of ADHD symptoms. Participants are then randomly assigned to a cognitive remediation program or a wait list control group to determine if the intervention improves classroom participation and performance. Grade and severity of symptoms are what type of variable?
a. Independent
b. Dependent
c. Control
d. Extraneous

Answer 6

control

Question 7

Which study is better for determining the likelihood of depression occurring after job loss?
a. Experimental
b. Factorial
C. Cross sectional
d. Longitudinal

Answer 7

longitudinal

Question 8

Which of the following is the best example of qualitative research?
a. Learning about the daily life experience of caregivers from the caregiver’s perspective
b. Examining the efficacy of a caregiver intervention
c. Comparing caregivers and noncaregivers on a quality-of-life measure
d. Studying the relationship between caregiving and physical health

Answer 8

Learning about the daily life experience of caregivers from the caregiver’s perspective

Question 9

All the students in a classroom receive a mindfulness intervention. Stress and test performance are the outcome measures. This study would best be classified as
a. Experimental
b. Quasiexperimental
C. Pre-experimental
d. Qualitative

Answer 9

Pre-experimental

Question 10

A study is described as a 2 × 2 design. This means the study has
a. two independent variables with two levels.
b. two independent variables and two dependent variables.
c. one independent variable with two levels and one dependent variable with two levels.
d. two independent variables and two 119 of 459 ables.

Answer 10

two independent variables with two levels.