authentic assessment (research)

8/12/2019 Authentic Assessment (Research)

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Integrative Performance Task (Research, Geometry, Physics) RAQUEL E. LIZARDO

Authentic Performance Tasks Using Grasps Format:

Goalof task related to understandings:

To conduct bridge modeling and simulation strength test and to determine if two designs of

truss bridge (characterized by a framework of triangles) differ significantly in terms of flexura

strength (suggestive of the capacity of the bridge to withstand tension)

Role:

A member of a composite team of civil engineers and statisticians commissioned by the

DPWH Bureau of Research and Standards (BRS)

Audience:

Key officials of the DPWH BRS, including its director

Situationor Context of Scenario:

The Bureau of Research and Standard (BRS) of the Department of Public Works and

Highways (DPWH) would like to find out if two designs of truss bridge differ significantly in

terms of flexural strength (flexing/bending is effected by placing a load of pre-determined

weight on top of the bridge model); findings will be used to make decision as regard which

design will be considered in constructing an actual bridge that will connect Calumpit,

Bulacan and Balintawak, Quezon City.

Product(s) or Performancesfor evaluation:

Portfolio which contains video documentation of bridge model construction and flexura

strength test simulation in CD format, tables of raw and processed data, and t-test worked

computations

Standards for evaluation:

accuracy of measurement and scaling1, design aesthetics1, execution of simulation

procedure1/2,data presentation and processing2, and test of hypothesis2

Narrative of the Performance Tasks:

The prolonged plight of most residents in the town of Calumpit in Bulacan due to heavy

flooding brought by typhoon Pedringhas strongly prompted key government agencies to

come up with means and measures to better facilitate relief and rescue operations in the

town in times of calamities.

As a member of a composite group of DPWH civil engineers and statisticians commissioned

by the departments Bureau of Research and Standards (BRS), you are tasked to conduct


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bridge modeling and simulation strength test and to determine if two designs of truss bridge

significantly differ in terms of flexural strength based on t-test. A portfolio which contains

video documentation of bridge model construction and flexural strength test simulation in

CD format, tables of raw and processed data, and t-test worked computations will be

evaluated by key officials of the DPWH BRS so as to make a sound decision as to which

design will be considered in constructing an actual bridge that will connect Calumpit,

Bulacan and Balintawak, Quezon City; the evaluation will be based on accuracy of

measurement and scaling1, design aesthetics1, execution of simulation procedure1/2, data

presentation and processing2, and test of hypothesis2.

1 rating criteria for Geometry; 2 rating criteria for Research

Scoring Rubric

Components 4 3 2 1 Score

Execution ofSimulation

Procedure

(20%)

Distinct steps

are correctly

planned and

executed in

logical

sequence; all

measurements

are performed

with utmost

precision usingcalibrated

measuring

device; all test

runs are

accurately

replicated

Distinct steps

are correctly

planned and

executed in

logical order;

most

measurements

are performed

with utmost

precision usingcalibrated

measuring

device; most

test runs are

accurately

replicated

A number of

steps is

omitted

and/or

simultaneousl

y executed,

logical flow of

execution,

though, is still

evident; anumber of

flaws/inaccur

acies in

measurement

s is evident;

there is an

attempt to

accurately

replicate test

runs

Steps are

executed at

random; a

significant

number of

flaws/inaccur

acies in

measurement

is evident;

attempt toaccurately

replicate test

runs is not

evident

DataPresentation

and

Processing

(25%)

Data entered

in tables are

complete,

accurate and

can be

appropriately

manipulated

Data entered

in tables are

complete,

mostly

accurate, and

can be

appropriately

Data entered

in tables are

complete but

have some

significant

inaccuracies,

can be

Data entered

in tables are

incomplete

and/ or have

many

inaccuracies;

data


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using suitable

formulas or

equations

manipulated

using suitable

formulas or

equations;

some errors,

though, are

present in

data

manipulation

manipulated

with the

use of

formulas or

equations;

some errors

are present in

data

manipulation

manipulation

is

fundamentall

y flawed

Test ofHypothesis

(55%)

Steps are

complete and

clearly

indicated; all

statisticalvariables and

working

equations are

identified; all

statistical

computations

are correct

rendering

unquestionabl

e validity tothe decision to

reject or fail to

reject the null

hypothesis

Steps are

complete and

clearly

indicated;

most statisticalvariables and

working

equations are

identified;

most statistical

computations

are correct,

computational

flaws, though,

arenegligible/insig

nificant and

do not

compromise

the validity of

the decision to

reject or fail to

reject the null

hypothesis

Some steps

are missing;

some

statistical

variables andworking

equations are

identified;

most

statistical

computations

are flawed

and, thus,

somehow

compromisethe validity of

the decision

to reject or fail

to reject the

null hypothesis

Most steps are

missing; most

statistical

variables and

workingequations are

not identified;

persistent

errors in

statistical

computations

are evident

and

completely

compromisethe validity of

the decision

to reject or fail

to reject the

null hypothesis

authentic assessment (research)

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