In research, how does quasi-experiment stand in contrast to the true experiment ?
In terms of the degree of control excercised by the researcher over possibly confounding variables
A true experiment has random assignment of participants to experimental and control groups and tight manipulation of the independent variable, which lets the researcher control confounding (extraneous) variables and make strong causal claims.
A quasi-experiment also manipulates an independent variable but lacks random assignment, typically working with intact or naturally formed groups (classes, villages, audiences). The researcher therefore has less control over confounding variables, and internal validity is weaker.
Both designs may use control groups, any number of participants, and operational definitions of variables; these are not what distinguishes them. The key difference is the degree of control over possibly confounding variables.
Hence, the answer is In terms of the degree of control excercised by the researcher over possibly confounding variables.
Similar Questions
There are two sets given below. Set-I specifies the types of research, while Set-II indicates their characteristics. Match the two and give your answer by selecting the appropriate code.
Set-I (Research Types)
(a) Fundamental research
(b) Applied research
(c) Action research
(d) Evaluative research
Set-II (Characteristics)
(i) Finding out the extent of perceived impact of an intervention
(ii) Developing an effective explanation through theory building
(iii) Improving an existing situation through use of interventions
(iv) Exploring the possibility of a theory for use in various situations
Code : (a) (b) (c) (d)
In-depth study and evaluation of available information in an attempt to explain complex phenomena is known as :
Match Column-I with Column-II :
Column-I Column-II (1) External criticism (i) Establishing the reliability or authenticity and accuracy of the content of the document (2) Internal criticism (ii) Validity, trustworthiness or authenticity of the source (3) Positive criticism (iii) Reliability or accuracy of the information contained in sources (4) Negative criticism (iv) Ensuring that the statements made or the meaning conveyed in the sources is correct Codes :
(1) (2) (3) (4)
......................... is not a type of research.
A research which involves surveys and fact finding enquiries is called as ................... research.
Match the columns and select code :
List I List II (1) Developmental research (i) Research that explores relationships among variables. (2) Longitudinal research (ii) Study of changes in behavior across years. (3) Cross-sectional research (iii) Research in which the same participants are studied over a period of years. (4) Correlational research (iv) Research in which samples of participants from different age groups are selected in order to assess effects of maturation. Codes :
(1) (2) (3) (4)
The defining feature of the historical research is to :
‘Cranfield Studies’ are associated with .................
Match the following :
List I List II (a) Research based on futuristic opinions of panel of experts. (i) Case study (b) Research leading to generalization based on samples. (ii) Experimental (c) Indepth research based on data collected by using multiple tools and techniques. (iii) Survey (d) A research carried to test ‘cause effect relationship’. (iv) Delphi Codes :
(a) (b) (c) (d)
As people are studied repeatedly as they grow older. This approach of studies is called as .................... .
Important Questions from Types of Research - Teaching
- Problems faced by a researcher in conducting longitudinal studies include the following :
I. Cohort effects greater.
II. Sample attrition high.
III. Participant dropout low.
IV. Practise effects more.
Codes : - Identify the pure research problem from the following.
Match the following :
List – I List – II a. Qualitative research i. Studies different units or culture or social groups b. Quantitative research ii. Describes reality as experienced by groups, communities, individuals, etc. c.Longitudinal research iii. Employs measurement and statistical analysis d. Comparative research iv. Study of the problem or phenomenon over a period of time - Which of the following terms are associated with cohort studies ?
A. Follow-up studies
B. Exploratory studies
C. Prospective studies
D. Case studies
E. Longitudinal studies
Choose the correct answer from the options given below: - Which of the following is/are non-random sampling techniques?
A. Systematic sampling
B. Cluster sampling
C. Convenience sampling
D. Purposive sampling
E. Quota sampling
Choose the correct answer from the options given below:
